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The answer to one of my questions is coming back as undefined

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I am trying to pull through an answer to one of my questions but the answer is coming back as undefined. I have used the exact same methodoly for the "male" and "female" answer but cannot figure out why it stops there?

<!DOCTYPE html>

<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>Work Out Programme</title>
    <meta name="description" content="">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link rel="stylesheet" href="./style.css">
</head>

<body>
    <!--Start of Work out Calculator-->
    <div id="start">Start your workout journey</div>
    <!--Quiz Container-->
    <div id="quiz" style="display: none;">
        <div id="question">
            <p> Question </p>
        </div>
        <!--Choices Containers-->

        <!--Male or female Question-->
        <div id="choices1">
            <div class="choiceA1" id="A1" onclick="checkAnswer('A1')"></div>
            <div class="choiceB1" id="B1" onclick="checkAnswer('B1')"></div>
        </div>
        <!--Your age Question-->
        <div id="choices2">
            <div class="choiceA2" id="A2" onclick="checkAnswer('A2')"></div>
            <div class="choiceB2" id="B2" onclick="checkAnswer('B2')"></div>
            <div class="choiceC2" id="C2" onclick="checkAnswer('C2')"></div>
            <div class="choiceD2" id="D2" onclick="checkAnswer('D2')"></div>
            <div class="choiceE2" id="E2" onclick="checkAnswer('E2')"></div>
            <div class="choiceF2" id="F2" onclick="checkAnswer('F2')"></div>
        </div>
        <!--Male current condition Question-->
        <div id="choices3">
            <div class="choiceA3" id="A3" onclick="checkAnswer('A3')"></div>
            <div class="choiceB3" id="B3" onclick="checkAnswer('B3')"></div>
            <div class="choiceC3" id="C3" onclick="checkAnswer('C3')"></div>
            <div class="choiceD3" id="D3" onclick="checkAnswer('D3')"></div>
        </div>

        <!--Female current condition Question-->
        <div id="choices4">
            <div class="choiceA4" id="A4" onclick="checkAnswer('A4')"></div>
            <div class="choiceB4" id="B4" onclick="checkAnswer('B4')"></div>
            <div class="choiceC4" id="C4" onclick="checkAnswer('C4')"></div>
        </div>


        <!--all the choices need to be unique as every quesiton is going to have a different number of question and answers this is so that depending on what the user choices it will match their choice -->


    </div>
    <!--Score Container-->
    <div id="scoreContainer" style="display: none;"></div>
</body>
<script src="https://code.jquery.com/jquery-3.4.0.min.js"></script>
<script src="./app.js"></script>

</html>


const start = document.getElementById("start");
const quiz = document.getElementById("quiz");
const question = document.getElementById("question");
const scoreContainer = document.getElementById("scoreContainer");

// this is where I need to pull all the choices from the html document and then get them to run and return something based on what has been chosen i also need to figure out if i need to pull every single on or just the id for example more invesitgating is needed 
/*const choiceA = document.getElementById("A");
const choiceB = document.getElementById("B");
const choiceC = document.getElementById("C");
*/

// Pulling through the questions for choice 1 Male or female Question
const choiceA1 = document.getElementById('A1');
const choiceB1 = document.getElementById('B1');

// Pulling through the questions for choice 2 Your age Question

const choiceA2 = document.getElementById('A2');
const choiceB2 = document.getElementById('B2');
const choiceC2 = document.getElementById('C2');
const choiceD2 = document.getElementById('D2');
const choiceE2 = document.getElementById('E2');
const choiceF2 = document.getElementById('F2');


// Pulling through the questions for choice 3 Male current condition Question

const choiceA3 = document.getElementById('A3');
const choiceB3 = document.getElementById('B3');
const choiceC3 = document.getElementById('C3');
const choiceD3 = document.getElementById('D3');


// Pulling through the questions for choice 4 Female current condition Question

const choiceA4 = document.getElementById('A4');
const choiceB4 = document.getElementById('B4');
const choiceC4 = document.getElementById('C4');





// Questions for the quiz

let questions = [

    {
        question: "What is your sex?",
        choiceA1: "Male",
        choiceB1: "Female",
        //correct  //need to figure out later
    },

    {
        question: "What is your age range?",
        choiceA2: "Teens",
        choiceB2: "20's",
        choiceC2: "30's",
        choiceD2: "40's",
        choiceE2: "50's",
        choiceF2: "60+",
        //correct //need to figure out later
    },

    {
        question: "Please select the best description of your current condition:",
        choiceA3: "I have low levels of body fat, I can see my abs, and I want to build more muscle",
        choiceB3: "I'm 'skinny fat' I look skinny and definitely need more muscle, but I still have fat covering my abs",
        choiceC3: "I have a good level of muscle size, but I need to drop fat to reveal muscle definition and six pack abs",
        choiceD3: "I have no clue how much muscle I have with all this fat covering it I need to loose a bunch of fat!",
        //correct //need to figure out later
    },

    {
        question: "Please Select The Best Description of Your Current Physique:",
        choiceA4: "I have a slim body type and want to gain muscle in the right areas to look my best",
        choiceB4: "I have stubborn body fat. I want to slim down and increase my muscle tone",
        choiceC4: "I have more than 10kg of fat to lose - I want to drop all this fat and look my best",
        //correct //need to figure out later
    }

];


// Create some variables 

const lastQuestion = questions.length - 1;
let runningQuestion = 0;

// run a question 

function runQuestion() {
    let q = questions[runningQuestion];

    question.innerHTML = "<p>" + q.question + "</p>";
    choiceA1.innerHTML = q.choiceA1;
    choiceB1.innerHTML = q.choiceB1;

below this I am using the same methodolgy as above but it keeps coming back as undefined

    choiceA2.innerHTML = q.choiceA2;

}

start.style.display = "none";
runQuestion();
quiz.style.display = "block";

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