input: The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 10-year-old girl presents with a mass in lower abdomen involving umbilical and the hypogastrium. On examination it is cystic and mobile and the examiner is unable to insinuate fingers between the mass and the pelvic bone. What is the likely diagnosis?   (A) Duplication of small intestine   (B) Omental cyst   (C) Ovarian cyst   (D) Mesenteric cyst
output: ['(C) Ovarian cyst <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Duplication of small intestine  (B) Omental cyst  (C) Ovarian cyst  (D) Mesenteric cyst <> possible answers', '  A 10-year-old girl presents with a mass in lower abdomen involving umbilical and the hypogastrium. On examination it is cystic and mobile and the examiner is unable to insinuate fingers between the mass and the pelvic bone. What is the likely diagnosis? <> context']