input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** The trivalent influenza vaccine contains all of the following strains except:   (A) H IN I   (B) H3N2   (C) H2N 1   (D) Influenza B
output: ['(C) H2N 1 <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) H IN I  (B) H3N2  (C) H2N 1  (D) Influenza B <> possible answers', '  The trivalent influenza vaccine contains all of the following strains except: <> context']