Q: Sentence (1) Hold these truths to be self-evident.
Sentence (2) Hold your temper.. Word: hold.
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A: different meanings

Q: Sentence (1) Please erase the formula on the blackboard -- it is wrong!
Sentence (2) The Turks erased the Armenians in 1915.. Word: erase.
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A: different meanings

Q: Sentence (1) Beat one's breast.
Sentence (2) This beats me!. Word: beat.
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A:
different meanings