input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following drugs is used for the treatment of refractory histiocytosis :   (A) High dose methotrexate   (B) High dose cytarabine   (C) Cladribine   (D) Fludrabine
output: ['(C) Cladribine <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) High dose methotrexate  (B) High dose cytarabine  (C) Cladribine  (D) Fludrabine <> possible answers', '  Which of the following drugs is used for the treatment of refractory histiocytosis : <> context']