President Trump on Friday said former Vice President Joe Biden doesn’t “have what it takes” to become president.

“It means mental capacity, it means a lot of different things,” the president said in a phone call interview with Fox News.

The president predicted the Democratic nomination for president was between the three current Democratic frontrunners: Biden, Sen. Elizabeth Warren (D-Mass.) and Sen. Bernie Sanders (I-Vt.).

Trump said he’d “love” to run against any of them.

Read more at The Hill.