Hillary ClintonHillary Diane Rodham ClintonHarris readies a Phase 2 as she seeks to rejuvenate campaign Nevada Senate passes bill that would give Electoral College votes to winner of national popular vote 2020 Dems break political taboos by endorsing litmus tests MORE is pushing back on the label of being an "establishment" candidate, throwing the term back at her Democratic presidential rival Bernie SandersBernie SandersHarris readies a Phase 2 as she seeks to rejuvenate campaign 2020 Dems put spotlight on disabilities issues Lee, Sanders introduce bill to tax Wall Street transactions MORE.

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Pressed during an interview on CNN's "The Situation Room" late Thursday about whether she is "the establishment," Clinton responded, "I just don't understand what that means.”

She noted of Sanders that “he's been in Congress, he's been elected to office a lot longer than I have."

"I was in the Senate for eight wonderful years representing New York. He's been in the Congress for 25. And so I'll let your viewers make their own judgment," Clinton said.

In addition to elected office, Clinton was first lady for eight years and served as secretary of State for four years in the Obama administration, ending in 2013.

Earlier in the interview, Clinton continued to push back on Sanders's claim that Planned Parenthood and the Human Rights Campaign are backing Clinton because they are "part of the establishment."

"I didn't understand that at all," Clinton said, highlighting the services provided by Planned Parenthood before noting that it is the focus of major attacks from Republicans.

Liberal groups balked at Sanders's claim when he included Planned Parenthood and the Human Rights Campaign under the establishment mantle.