Question: Sentence 1: Fire a bullet.
Sentence 2: Fire a gun.
Does fire mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: He tries to hit on women in bars.
Sentence 2: He hit a home run.
Does hit mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: Artists must study the structure of the human body.
Sentence 2: His lectures have no structure.
Does structure mean the same thing in these two sentences?
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Answer:
different meanings