Question to you: Caffeine can cause \nOptions:\n- (A) congestion\n- (B) anemia\n- (C) constipation\n- (D) sweating\n- (E) hives\n- (F) energy usage\n- (G) dehydration\n- (H) heat energy.
Let's reason step-by-step:
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Caffeine is a central nervous system stimulant. Stimulants can cause overheating and dehydration. Caffeine can cause dehydration. Final answer: (G).
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