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Nicki Minaj has some harsh words for a fellow rapper named Ransom. 

He recently released the track "Man Alone," which contains a verse that seems to suggest he was a ghostwriter for some of Nicki's songs. 

According to TMZ.com, Nicki says that anyone "telling that lie" must be "desperate."  She also says that she raps "better than him," adding that she's "undisputed" because she's the only female rapper that doesn't need a ghostwriter.  

Meantime, Ransom has denied that he meant to suggest he ever wrote songs for Nicki.  In a Twitter message, the rapper writes that he "never said that."  He also took a shot at Nicki, saying that she is "trying to keep me down."  

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