Washington (CNN) Hillary Clinton didn't rule out Wednesday picking her Democratic presidential primary challenger, Bernie Sanders, from serving as her vice president.

"I won't get into that," she told CNN's Chris Cuomo in an exclusive interview, when asked if giving Sanders a spot on the ticket would help bring the party together.

She also declined to answer if Sanders was in consideration for the No. 2 slot.

Clinton, who is leading the increasingly divisive Democratic contest, didn't completely shutdown the possibility of Sanders as her running mate, saying, "That's something down the road."

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