The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Craniopagus is defined as fusion of:   (A) Head and spine   (B) Head only   (C) Thorax and spine   (D) Thorax only
['(B) Head only <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Head and spine \n (B) Head only \n (C) Thorax and spine \n (D) Thorax only <> possible answers', '  Craniopagus is defined as fusion of: <> context@']