Mental Hospital!
In a "Mental Hospital" a journalist asks the Doctor: How do u determine whether to admit a mental patient or not?
Dr: Well.. we'd fill a bathtub with water & then give a teaspoon, a glass & a bucket to the patient & ask them to empty the bathtub.
Journalist: Oh, obviously a normal person would use the bucket coz its bigger.
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Dr: "No, a normal person would pull the drain plug!
Please go to bed No.39. We will start further investigations on you!"