Use reasoning to lead to the answer of the following question:
What do many people do to a person on their birthday?\nOptions:\n- give gifts\n- receive letters\n- feel embarrassed\n- go to the club\n- thank god
 Reasoning process:
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People usually host parties on their birthday. The guests often come to the party with gifts. The birthday person usually receives gifts from the guests on his birthday. Therefore, the final answer is give gifts.
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