Question: Rousey vs. Carmouche was a mixed martial arts event held by which American mixed martial arts organization based in Las Vegas, Nevada, that is owned and operated by parent company WME–IMG?
Sentence (from "2013 in UFC"): The year 2013 is the 21st year in the history of the Ultimate Fighting Championship (UFC), a mixed martial arts promotion based in the United States.
Relevant evidence: No