input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Passavant’s ridge is located on which of the following:   (A) Posterior wall of oropharynx   (B) Anterior wall of oropharynx   (C) Posterior wall of nasopharynx   (D) Anterior wall of nasopharynx
output: ['(C) Posterior wall of nasopharynx <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Posterior wall of oropharynx  (B) Anterior wall of oropharynx  (C) Posterior wall of nasopharynx  (D) Anterior wall of nasopharynx <> possible answers', '  Passavant’s ridge is located on which of the following: <> context']