input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The hormone, which stimulates uterus contraction and lets down milk, is:   (A) Progesterone   (B) Prolactin   (C) Prostaglandin   (D) Oxytocin
output: ['(D) Oxytocin <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Progesterone  (B) Prolactin  (C) Prostaglandin  (D) Oxytocin <> possible answers', '  The hormone, which stimulates uterus contraction and lets down milk, is: <> context']