CNN anchor Chris Cuomo accused GOP presidential nominee Donald TrumpDonald TrumpOvernight Defense & National Security — The Pentagon's deadly mistake Overnight Energy & Environment — Presented by Climate Power — Interior returns BLM HQ to Washington France pulls ambassadors to US, Australia in protest of submarine deal MORE's campaign manager of lying about Melania Trump's convention speech in a heated exchange on Wednesday.

Paul Manafort called on Cuomo to "move on" as he continued to deny accusations that Trump's speech Monday night copied portions of Michelle ObamaMichelle LeVaughn Robinson ObamaWe must mount an all-country response to help our Afghan allies Obamas, Bushes and Clintons joining new effort to help Afghan refugees Bidens, former presidents mark 9/11 anniversary MORE's speech at the 2008 Democratic National Convention.

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“But I can’t move on, because you keep lying about it so I can’t move on from it,” Cuomo responded. “Because I have to talk about what is true.”

“I’m not lying about anything, Chris,” Manafort said.

Cuomo pressed him again for an answer on whether the campaign lifted parts of the first lady’s 2008 speech.

“As far as we’re concerned, there are similar words that were used, we’ve said that, but the feelings of those words and the commonality of those words do not create a situation which we feel we have to agree with you,” Manafort said.

Watch the full exchange in the video above.