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Attorney: 1_______? What are you?
Witness: I am John Singer, a policeman, traffic control officer.
Attorney: Where were you at 4 a.m. on 15 May?
Witness: I was on duty, 2_______.
Attorney: What attracted your attention at the post office?
Witness: 3_______ trying to withdraw a case through a window.
Attorney: Do you see those men 4_______?
Witness: Yes, there they are sitting on the box.
Attorney: Thank you, I have no any questions.