I'll give you a question, please answer with step-by-step reasoning process. What would a person do if he or she wants to buy something at a store?\nOptions:\n- cross street\n- enjoy working\n- offer help\n- open an umbrella\n- wait in line

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A store has a cash counter where people pay for their purchases. People pay at the cash counter on first come first serve basis. One might have to wait in line if there are others in front of him.
The answer: wait in line.
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