Question: NU'EST, acronym for New Establish Style Tempo, is a South Korean boy group formed by which organization, in 2012, the group includes Hwang Min-hyun, a South Korean singer-songwriter and actor?
Sentence (from "Hwang Min-hyun"): Hwang Min-hyun (Hangul: 황민현, born August 9, 1995), mononymously known as Minhyun, is a South Korean singer-songwriter and actor.
Relevant evidence: Yes