Question: Sentence 1: The course was less than a mile.
Sentence 2: He took a course in basket weaving.
Does course mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: A leak in a gas pipe.
Sentence 2: A leak in a roof.
Does leak mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: Make advances.
Sentence 2: Make a phone call.
Does make mean the same thing in these two sentences?
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Answer:
the same meaning