Q: Sentence (1) Turn the heat down.
Sentence (2) This milk has turned; it smells awful.. Word: turn.
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A: different meanings

Q: Sentence (1) He came to a bad end.
Sentence (2) The so-called glorious experiment came to an inglorious end.. Word: end.
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A: the same meaning

Q: Sentence (1) It can be tricky to land a helicopter.
Sentence (2) The plane landed in Istanbul.. Word: land.
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A:
different meanings