Question: Sentence 1: A horse hates having a bit put in its mouth.
Sentence 2: The horse was not accustomed to a bit.
Does bit mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: Grade A milk.
Sentence 2: He got a good grade on the test.
Does grade mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: An emerging professional class.
Sentence 2: Flirting is not unknown in college classes.
Does class mean the same thing in these two sentences?
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Answer:
different meanings