As Democratic challengers throw their hats in the ring to run for president in 2020, former Vice President Joe Biden and recent Georgia gubernatorial candidate Stacey Abrams met privately on Thursday to discuss their future political plans.

After two failed presidential bids, Biden, 76, is expected to announce soon whether he will run a third time for president. Abrams, 45, sprang onto the national scene last fall when she nearly won her election for Georgia governor. Whether Abrams runs for the Senate in 2020, as many established Democrats would like to see, or runs for president remains to be seen.

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It’s also possible Biden wanted to discuss whether Abrams would be open as a possible vice presidential running mate.

Biden endorsed Abrams for governor and the secretive D.C. meeting was reportedly at Biden’s request, according to WXIA-TV in Atlanta.

Both sides have been mum ever since the meeting.

Also on Thursday, Abrams had breakfast with New York Senator Kirsten Gillibrand, who is running for president as well.

Abrams was interviewed by the Associated Press this week, in which she steered the conversation away from whether she’ll run for president, instead choosing to focus on whether she’ll run for Senate to challenge David Perdue, the new Republican senator who is pro-Trump.

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“There certainly is a connectivity between that and other 2020 opportunities,” Abrams told the AP, including one that could require “other people to make decisions about what they would like” instead of her deciding to run, which would seem to imply the vice presidency.