input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Mast cells are   (A) Absent in both inflamed and normal pulp.   (B) Present in normal pulp   (C) Present in inflamed pulp only.   (D) Absent in inflamed pulp only.
output: ['(C) Present in inflamed pulp only. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Absent in both inflamed and normal pulp.  (B) Present in normal pulp  (C) Present in inflamed pulp only.  (D) Absent in inflamed pulp only. <> possible answers', '  Mast cells are <> context']