Q: Sentence (1) Simply an identity element if both are true.
Sentence (2) It was too dark to determine his identity.. Word: identity.
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A: different meanings

Q: Sentence (1) Raise from the dead.
Sentence (2) Raise a protest.. Word: raise.
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A: different meanings

Q: Sentence (1) He can hold his liquor.
Sentence (2) To carry well, i.e. to hold the head high, with arching neck.. Word: hold.
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A:
different meanings