Q: Sentence (1) In the deep of winter.
Sentence (2) In the deep of night.. Word: deep.
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A: the same meaning

Q: Sentence (1) Charge a conductor.
Sentence (2) The speaker charged up the crowd with his inflammatory remarks.. Word: charge.
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A: different meanings

Q: Sentence (1) He wrote the date on the back of the photograph.
Sentence (2) I hung the clothes on the back of the door.. Word: back.
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A:
the same meaning