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: Dental
[{'content': 'Tear strength for impression material is highest for: \nSelect and explain. \nA. Condensation silicone, B. Alginate, C. Poly sulfide, D. Addition silicone', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]