input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Myosin head detachment from actin is triggered by:-   (A) Change in troponin c configuration   (B) Entry of Ca into sarcoplasmic reticulum   (C) Binding of ATP to head   (D) Hydrolysis of ATP to ADP and Pi
output: ['(C) Binding of ATP to head <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Change in troponin c configuration  (B) Entry of Ca into sarcoplasmic reticulum  (C) Binding of ATP to head  (D) Hydrolysis of ATP to ADP and Pi <> possible answers', '  Myosin head detachment from actin is triggered by:- <> context']