Use reasoning to lead to the answer of the following question:
What would you use to find out if there will be a cloud in the sky?\nOptions:\n- night or day\n- atmosphere\n- car\n- murky liquid\n- weather report
 Reasoning process:
User
Seeing could in the sky shows the chances of rain. One can identify chances of rain based on weather report. Therefore, the final answer is weather report.
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