Question: Sentence 1: The plane was just a speck in the sky.
Sentence 2: A tiny speck of soot.
Does speck mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: Please, help!
Sentence 2: Can you help me carry this table?
Does help mean the same thing in these two sentences?
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Answer: the same meaning

Question: Sentence 1: A terrible feeling of ulteriority.
Sentence 2: Their conversation was limited to ulteriorities.
Does ulteriority mean the same thing in these two sentences?
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Answer:
the same meaning