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': 'A 22 year old woman developed small itchy wheals after physical exeion, walking in the sun, eating hot spicy food and when she was angry. The most likely diagnosis is: \nSelect and explain. \nA. Chronic idiopathic utricaria, B. Heat uicaria, C. Solar uicaria, D. Cholinergic uicaria', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Cholinergic Uicaria', 'role': 'assistant'}]