Q: Sentence (1) He tried to sing the tenor part.
Sentence (2) His part was right in the middle.. Word: part.
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A: different meanings

Q: Sentence (1) Authority for the program was renewed several times.
Sentence (2) He is an authority on corporate law.. Word: authority.
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A: different meanings

Q: Sentence (1) There was no food in the house, so I had to remain hungry.
Sentence (2) There remains the question of who pulled the trigger.. Word: remain.
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A:
different meanings