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': 'An amalgam mix is difficult to remove from the capsule and appears excessively wet; Most common cause can be \nSelect and explain. \nA. Overtriturition, B. Undertriturition, C. Improper ratio, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]