Question: Are Seo Eunkwang and Jonah Matranga both guitarists?
Sentence (from "Seo Eunkwang"): Seo Eun-kwang (; born November 22, 1990), also simply known as Eunkwang, is a South Korean singer, entertainer, and the leader and main vocalist of the South Korean boy group BtoB.
Relevant evidence: Yes