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The passages in question focus on lessons that Donald Trump's wife says she learned from her parents and the relevance of their lessons in her experience as a mother.
They came near the beginning of her roughly 10-minute speech. Mrs. Trump's address was otherwise distinct from the address that Mrs. Obama gave when then-Sen. Barack Obama was being nominated for president.
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Trump's campaign had no immediate reaction when asked about the similarities in the two speeches. White House officials did not immediately respond to requests for comment late Monday evening.
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