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': 'In non-eugenol pastes the constituents are mixed in \nSelect and explain. \nA. Phosphoric Acid, B. Ethyl alcohol, C. Benzoic acid, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]