A super PAC supporting John Kasich's presidential campaign claims another super PAC affiliated with Hillary Clinton stole their lines.

New Day for America claims that Priorities USA took the slogan " John Kasich's For Us" and repurposed it for their own political gain in a new ad that ends with text reading, "Hillary Clinton. Strong. For Us."

"It's really flattering that they're stealing our material but considering all the money they've taken from liberal special interest groups, you'd think Hillary Clinton's super PAC could afford to pay someone to come up with some lines of their own," said Matt Carle, executive director of New Day for America, in a statement. "I guess, just like the candidate they support, they've got no new ideas and have resorted to simply trying to make Hillary out to be someone she's not — a candidate who won't relish in dividing America."

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Priorities USA communications director Justin Barasky responded to the allegation with the following statement:

"Wait, who's John Kasich?"

While it appears the Kasich and Clinton groups have gotten off on the wrong foot, some on the left would like to see the two groups work together in the long run. MSNBC's Chris Matthews has said he hopes Clinton chooses Kasich as her running mate.

"I'd like Hillary Clinton, I'd like to see her up about five or 10 points after her convention, or going into her convention, which is the second convention, and picking John Kasich and blowing everybody's mind," Matthews said in May. "That would just blow everybody's mind. McCain talked about doing it, picking Joe Lieberman."

Kasich, who ranks seventh in the Washington Examiner's most recent power rankings, does not want to be anyone's running mate and labeled Clinton disgraceful for calling Republicans her "enemies" during the first Democratic presidential debate. It appears unlikely that Kasich and Clinton can reconcile their differences and band together atop the Democratic ticket anytime soon.