input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which is the most common type of congenital ossicular dysfunction?   (A) Isolated stapes defect   (B) Stapes defect with fixation of footplate and lenticular process involvement.   (C) Defective lenticular process of incus   (D) None of the above.
output: ['(B) Stapes defect with fixation of footplate and lenticular process involvement. <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Isolated stapes defect  (B) Stapes defect with fixation of footplate and lenticular process involvement.  (C) Defective lenticular process of incus  (D) None of the above. <> possible answers', '  Which is the most common type of congenital ossicular dysfunction? <> context']