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': 'Wettability is increased by \nSelect and explain. \nA. Increasing surface energy, B. Decreasing surface energy, C. It is directly proportional to contact angle, D. Adhesive forces are more important than cohesive', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]