Use reasoning to lead to the answer of the following question:
Where would you put a wooden rod after buying it if you do not have any clocks?\nOptions:\n- hardware store\n- old houses\n- clock shop\n- connecting pieces of wood\n- old clock
 Reasoning process:
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Old houses are the best places where you can put wooden rod. If you do not have any clocks then you would put a wooden rod in old houses after buying it. Therefore, the final answer is old houses.
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