d('forthQuestion').style.display = 'block';
    });

    document.getElementById('noForthBtn').addEventListener('click', () => {
        hideSubsequentQuestions(['fifthQuestion', 'sixthQuestion', 'secondAnswer', 'forthAnswer', 'sixthAnswer',
            'seventhAnswer', 'fifthAnswer', 'seventhQuestion', 'eighthQuestion', 'ninthQuestion', 'tenthQuestion', 'eleventhQuestion',
            'twelfthQuestion', 'thirteenthQuestion', 'fourteenthQuestion', 'fifteenthQuestion', 'therapyInfo',
            'thirteenthA