What has a centralized nervous system with a brain?\nOptions:\n- (A) Birds\n- (B) pan\n- (C) virus\n- (D) sharks\n- (E) Man\n- (F) trout\n- (G) leech\n- (H) parasite Think carefully first, then make a decision. My thoughts:
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Fish have a centralized nervous system with a brain. Fish include trout and other fish. Trout have a centralized nervous system with a brain. So the answer is (F).
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