input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following statements is false in relation to myofacial pain dysfunction syndrome?   (A) Mainly affects young females   (B) Is caused by muscle fatigue due to chronic oral habits as grinding and clenching   (C) Treatment involves construction of occlusal guard and stress free emotional condition   (D) The perioral musculature becomes hypotonic
output: ['(D) The perioral musculature becomes hypotonic <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Mainly affects young females  (B) Is caused by muscle fatigue due to chronic oral habits as grinding and clenching  (C) Treatment involves construction of occlusal guard and stress free emotional condition  (D) The perioral musculature becomes hypotonic <> possible answers', '  Which of the following statements is false in relation to myofacial pain dysfunction syndrome? <> context']