Question: Sentence 1: She knotted the end of the thread.
Sentence 2: The ends justify the means.
Does end mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: The story is false, so far as I can discover.
Sentence 2: I discovered what he should do.
Does discover mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: She hates me, that's about the size of it.
Sentence 2: That's the size of the situation.
Does size mean the same thing in these two sentences?
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Answer:
the same meaning