I'll give you a question, please answer with step-by-step reasoning process. The detective had to discover the truth, he started by searching and sifting through the lies to what?\nOptions:\n- ask questions\n- lie\n- search for\n- find facts\n- wonder

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Find Facts is to determine the facts relevant to decide a controversy. The detective had to discover the truth, he started by searching and sifting through the lies to find facts.
The answer: find facts.
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