Question: Name the Russian mixed martial artist who currently fights in the lightweight division of the UFC and is a training partner of Natalia Vitalyevna Vorobieva, a Russian wrestler who competed in the 2012 Summer Olympics?
Sentence (from "Islam Makhachev"): Islam Ramazanovich Makhachev (Russian: Ислам Рамазанович Махачев ; born October 27, 1991 in Dagestan) is a Russian mixed martial artist, judoka and sambist of Lak origin.
Relevant evidence: Yes