Question: Sentence 1: The boulder came to rest just behind the house after rolling down the mountain.
Sentence 2: A body will continue in a state of rest until acted upon.
Does rest mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: Go to the supermarket and buy some tea.
Sentence 2: Would you like some tea?
Does tea mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: Play the stock market.
Sentence 2: Who's playing now?
Does play mean the same thing in these two sentences?
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Answer:
different meanings