input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Antimalarial drug used for causal prophylaxis act at which stage of developmental cycle   (A) Gametogony   (B) Erythrocytic schizogony   (C) Pre-erythrocytic schizogony   (D) Exo-erythrocytic schizogony
output: ['(C) Pre-erythrocytic schizogony <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Gametogony  (B) Erythrocytic schizogony  (C) Pre-erythrocytic schizogony  (D) Exo-erythrocytic schizogony <> possible answers', '  Antimalarial drug used for causal prophylaxis act at which stage of developmental cycle <> context']