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: Skin
[{'content': 'Which of following is/are not the feature of Henoch?Schonlein Purpura (HSP) \nSelect and explain. \nA. Abdominal pain, B. Splinter haemorrhage, C. Thrombocytopenia, D. Epistaxis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C. i.e. Thrombocytopenia', 'role': 'assistant'}]