Q: Sentence (1) The French try to sell us their image as great lovers.
Sentence (2) The brothers sell shoes.. Word: sell.
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A: different meanings

Q: Sentence (1) I could hear the breath of the runner behind me.
Sentence (2) He was fighting to his last breath.. Word: breath.
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A: the same meaning

Q: Sentence (1) Run a new program on the Mac.
Sentence (2) My computer is too old to run the new OS.. Word: run.
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A:
the same meaning