With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Foo Fighters are a train.
text_B: Foo Fighters is an American rock band , formed in Seattle , Washington in 1994 .. Seattle. Seattle. Washington. Washington ( state ). rock. Rock music. Foo Fighters. Foo Fighters ( album ). It was founded by Nirvana drummer Dave Grohl as a one-man project following the dissolution of Nirvana after the death of Kurt Cobain .. Dave Grohl. Dave Grohl. Nirvana. Nirvana ( band ). death of. Death of Kurt Cobain. Kurt Cobain. Kurt Cobain. The group got its name from the UFOs and various aerial phenomena that were reported by Allied aircraft pilots in World War II , which were known collectively as `` foo fighters '' .. Allied aircraft pilots. Allies of World War II. World War II. World War II. Prior to the release of Foo Fighters ' 1995 debut album Foo Fighters , which featured Grohl as the only official member , Grohl recruited bassist Nate Mendel and drummer William Goldsmith , both formerly of Sunny Day Real Estate , as well as Nirvana touring guitarist Pat Smear to complete the lineup .. Nate Mendel. Nate Mendel. Nirvana. Nirvana ( band ). Sunny Day Real Estate. Sunny Day Real Estate. Pat Smear. Pat Smear. William Goldsmith. William Goldsmith. Foo Fighters. Foo Fighters ( album ). The band began with performances in Portland , Oregon .. Goldsmith quit during the recording of the group 's second album , The Colour and the Shape -LRB- 1997 -RRB- , when most of the drum parts were re-recorded by Grohl himself .. The Colour and the Shape. The Colour and the Shape. Smear 's departure followed soon afterward , though he would rejoin them in 2006 .. They were replaced by Taylor Hawkins and Franz Stahl , respectively , although Stahl was fired before the recording of the group 's third album , There Is Nothing Left to Lose -LRB- 1999 -RRB- .. Taylor Hawkins. Taylor Hawkins. Franz Stahl. Franz Stahl. There Is Nothing Left to Lose. There Is Nothing Left to Lose. The band briefly continued as a trio until Chris Shiflett joined as the band 's lead guitarist after the completion of There Is Nothing Left to Lose .. Chris Shiflett. Chris Shiflett. There Is Nothing Left to Lose. There Is Nothing Left to Lose. The band released its fourth album , One by One , in 2002 .. One by One. One by One ( Foo Fighters album ). The group followed that release with the two-disc In Your Honor -LRB- 2005 -RRB- , which was split between acoustic songs and heavier material .. In Your Honor. In Your Honor. acoustic. Acoustic music. Foo Fighters released its sixth album , Echoes , Silence , Patience & Grace , in 2007 .. Foo Fighters. Foo Fighters ( album ). The band 's seventh studio album , Wasting Light , produced by Butch Vig was released in 2011 , in which Smear returned as a full member .. Wasting Light. Wasting Light. Butch Vig. Butch Vig. In November 2014 , the band 's eighth studio album , Sonic Highways , was released as an accompanying soundtrack to the Grohl-directed 2014 miniseries of the same name .. Sonic Highways. Sonic Highways. 2014 miniseries. Foo Fighters : Sonic Highways. Over the course of the band 's career , four of its albums have won Grammy Awards for Best Rock Album .. Best Rock Album. Grammy Award for Best Rock Album. As of 2015 , the band 's eight albums have sold 12 million copies in the U.S. , and 30 million worldwide .
related.