I'll give you a question, please answer with step-by-step reasoning process. What part of the body are lips on?\nOptions:\n- mouth\n- jars and all faces\n- kentucky fried chicken\n- hand\n- human

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Mouth is the opening and cavity in the lower part of the human face, surrounded by the lips, through which food is taken in and vocal sounds are emitted. Lips are on part of the body called mouth.
The answer: mouth.
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