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In a mental hospital, a patient named' Wang Qiduan' and a patient in a ward of Wang Qiduan were holding this urinal in their hands. At this time, the nurse shouted: Wang Qiduan, the nurse called Wang Qiduan, and the patient lifted the urinal and finally put it on his head. At this time, Wang Qiduan shouted: Here! That patient poured urine from the urinal on his head!