Between  U2 and Dead Sara which group has more main members?
U2: U2 are an Irish rock band from Dublin formed in 1976. U2:  The group consists of Bono (lead vocals and rhythm guitar), the Edge (lead guitar, keyboards, and backing vocals), Adam Clayton (bass guitar), and Larry Mullen Jr. (drums and percussion). U2:  Their lyrics, often embellished with spiritual imagery, focus on personal and sociopolitical themes. U2:  Popular for their live performances, the group have staged several ambitious and elaborate tours over their career. Dead Sara: Dead Sara is an American hard rock band from Los Angeles, consisting of Emily Armstrong (lead vocals, rhythm guitar), Siouxsie Medley (lead guitar, backing vocals), Sean Friday (drums, backing vocals) and Chris Null (bass guitar, backing vocals) currently best known for their single "Weatherman" from their debut eponymous album "Dead Sara" (2012).
i don't know