This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': "A girl presents with complaints of malena. On examination there are pigmented lesions involving her mouth and lips. Two of her sisters also had similar complaints. Which of the following is the most probable diagnosis - \nSelect and explain. \nA. Kornkhite Canada syndrome, B. Puetz Jegher's syndrome, C. Gardner's syndrome, D. Turcot's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]