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: Psychiatry
[{'content': 'Effect comprising conjuctival congestion, ↑ appetite,dry mouth, tachycardia and synesthesia is seen with- \nSelect and explain. \nA. Cannabis, B. Caffeine, C. Cocaine, D. Codeine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]