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': 'If the patient shows tamper tantrum and you send the patient back without any treatment, this is known as: \nSelect and explain. \nA. Positive Reinforcer., B. Negative Reinforcer., C. Negative Reinforcement., D. None.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: As the condition for the patient shows to escape from the situation.', 'role': 'assistant'}]