Use reasoning to lead to the answer of the following question:
Where are bus stops more common in what parts?\nOptions:\n- ocean\n- getting off of bus\n- airport\n- urban area\n- towns
 Reasoning process:
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Bus stops are common where most buses ply. Most buses ply where there are more people. Urban area has more population. People in urban area use buses. Urban area is a place. Therefore, the final answer is urban area.
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