Republican Sen. James Lankford James Paul LankfordMcConnell works to lock down GOP votes for coronavirus bill Charities scramble to plug revenue holes during pandemic Warren calls for Postal Service board members to fire DeJoy or resign MORE (Okla.) defended President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE Sunday amid newly released audio of a conversation between Trump and Lev Parnas that raises questions about whether Trump lied about not knowing the indicted businessman.

Lankford said the audio of the meeting of Trump and Parnas, a Rudy Giuliani Rudy GiulianiGrand jury adds additional counts against Giuliani associates Lev Parnas and and Igor Fruman Juan Williams: Breaking down the debates Giuliani criticizes NYC leadership: 'They're killing this city' MORE associate, doesn't show that Trump was lying when he said he did not know the Ukrainian businessman.

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"It's a dinner, 90 minutes of a dinner, hard to be able to say to the president who meets 1,000 people a day, 'OK,

do you know this person who was at a dinner with you a year and a half ago?" Lankford said on CNN's "State of the Union."

CNN host Jake Tapper Jacob (Jake) Paul TapperThe Memo: Media accused of using kid-gloves on Biden CNN slammed for soft questions during Biden town hall: 'The media is broken' Biden's team says he views election against Trump as 'Park Avenue vs. Scranton' MORE pressed Lankford, saying that the newly released audio shows Trump did not tell the truth.

Lankford responded by suggesting that it is reasonable for him to not recall meeting someone he had at least one lengthy conversation with.

"You meet a lot of people, I meet a lot of people, certainly the president meets a lot of people," Lankford said.

Republican Sen. James Lankford on Lev Parnas recording of President Trump, who claims he doesn't know the indicted businessman: "Certainly the President meets a lot of people" pic.twitter.com/uIvTwGEbR0 — CNN Politics (@CNNPolitics) January 26, 2020

The recording from the 2018 meeting reportedly included discussions of dismissing then-U.S. Ambassador to Ukraine Marie Yovanovitch Marie YovanovitchGrand jury adds additional counts against Giuliani associates Lev Parnas and and Igor Fruman Strzok: Trump behaving like an authoritarian Powell backs Biden at convention as Democrats rip Trump on security MORE.

Parnas is indicted on campaign finance charges.

He provided information regarding communications about the pressure campaign in Ukraine to the House earlier this month. Trump has repeatedly denied knowing Parnas.