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Spell the word
 –      Teacher asks the student:
–      “What is your aim in life*?”
–      “To become a psychiatrist”, the student replies.
–      “Very good”, the teacher says,
–      “Now would you please spell the word psychiatrist.”
–      After some hesitation the student replies: “Well, I mean I want to be a doctor, sir*. D-O-C-T-O-R.”