Mindblower - difficult question with easy answer

nterviewer: write something on paper.

Person1: thinked a lot and wrote Java..

Interviewer: Thanks for your time. You can leave.

Person2: asked what has to write?

Interviewer: you can leave.

Person3: wrote ambitious.

Interviewer: you can leave.

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Personx: wrote something .

Interviewer: that's I need. Selected.

Thank you