Joe was there to meet a large number of people. As he filed though the entrance hall, he saw many strangers who came from far away. What sort of building is he probably in?\nOptions:\n- person\n- box\n- convention center\n- public building\n- large building
Step-by-step reasoning process below:

User
Joe was in convention center where he meets a large number of people. He saw many strangers who came from far away in building called convention center. The answer: convention center.
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