Question:  Shownu, Kihyun, Hyungwon, Wonho, Minhyuk, and I.M. and what other South Korean comprise a group created in 2015?
Sentence (from "Monsta X"): The group is composed of seven members: Jooheon, Shownu, Kihyun, Hyungwon, Wonho, Minhyuk, and I.M.
Relevant evidence: Yes