Wang Shangju joked about urine test.

A group of people in the hospital corridor are waiting for a urine test, each with his own urine sample in his hand. The nurse called a patient named Wang Shangju and shouted: Wang Shangju! Then all the patients raised their urine samples a little. The nurse shouted again: Wang Shangju! ..... Then the patient held the urine sample higher ... The nurse also shouted: Wang Shangju! ! ! Then all the patients held the urine samples high ... At this time, Wang Shangju realized that the nurse was calling himself, and he replied loudly: Here we go!

Then all the patients poured urine on their heads. !