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: Pathology
[{'content': "A serious coagulopathy characterized by severe thrombocytopenia and haemorrhage due to platelet trapping within the tumor is called \nSelect and explain. \nA. Phace (S) Syndrome, B. Kasabach- Merrit Phenomenon, C. Kaposi's sarcoma, D. Hemangioma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]