Question: Sentence 1: The film is set in Africa.
Sentence 2: Set up an experiment.
Does set mean the same thing in these two sentences?
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Answer: different meanings

Question: Sentence 1: The Pauli Exclusion Principle prevents two fermions from occupying the same state.
Sentence 2: The principles of democracy.
Does principle mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: The order of Saint Benedict.
Sentence 2: An explosion of a low order of magnitude.
Does order mean the same thing in these two sentences?
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Answer:
different meanings