question: Are Grizzly Bear and Residual Kid both rock bands?
answer: yes
context: Title: Grizzly Bear (band)
  Passage: Grizzly Bear is an American rock band from Brooklyn, New York, formed in 2002.  The band consists of Edward Droste (vocals, guitar, keyboards, omnichord), Daniel Rossen (vocals, guitar, banjo, keyboards), Chris Taylor (bass, backing vocals, various instruments, producer), and Christopher Bear (drums, backing vocals).  The band employs traditional and electronic instruments.  Their sound has been categorized as psychedelic pop, folk rock, and experimental, and is dominated by the use of vocal harmonies.
  Title: Residual Kid
  Passage: Residual Kid is an American rock band from Austin, Texas formed in 2009.  The group consists of Deven Ivy (vocals, guitar), Ben Redman (drums), and Max Redman (bass guitar).  They have released three EPs: "Box" in 2011, which was recorded with an earlier lineup, "Faces", featuring the current lineup, in 2012, and "Salsa" in 2016.
  Title: Seekers (novel series)
  Passage: Seekers is a children's novel series written by a team of authors under the pseudonym Erin Hunter, who also wrote the "Warriors" series.  "Seekers" follows the adventures of four bear cubs: Kallik (a polar bear), Lusa (a black bear), Ujurak (a small grizzly bear who can shape-shift into any animal), and Toklo (also a grizzly bear).  Led by Ujurak, the four bears search for a place where they can live in peace without human interference and harassment.  The first book "The Quest Begins" was released on May 27, 2008 and was followed by "Great Bear Lake", "Smoke Mountain", "The Last Wilderness", "Fire in the Sky", and "Spirits in the Stars", released on February 8, 2011.  The series has been well received, with critics praising the realistic behavior of the characters, the excitement in the novels, and the descriptions of the bears' world.
  Title: Grizzly Bear discography
  Passage: The discography of Grizzly Bear includes five studio albums, five extended plays and eight singles.  Grizzly Bear is an American alternative rock band that was formed in 2002 by Ed Droste.  After the band's first studio album was released, Droste was joined by drummer Christopher Bear, bass guitarist and producer Chris Taylor, and guitarist Daniel Rossen.
citations: Grizzly Bear (band) Residual Kid