Q: Sentence (1) Can you unravel the mystery?
Sentence (2) Mother couldn't unravel the ball of wool after the cat had played with it.. Word: unravel.
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A: the same meaning

Q: Sentence (1) Use the plastic bags to store the food.
Sentence (2) We can use this mathematical formula to solve the problem.. Word: use.
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A: the same meaning

Q: Sentence (1) The meaning of life.
Sentence (2) What is the meaning of this sentence.. Word: meaning.
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A:
the same meaning