With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Catalyst is in a totally different genre than rock music.
text_B: `` The Catalyst '' is a song by American rock band Linkin Park .. Linkin Park. Linkin Park. Released on August 2 , 2010 , it is the first single from their fourth studio album , A Thousand Suns , which was released on September 8 , 2010 .. A Thousand Suns. A Thousand Suns. The music video for the song , directed by the band 's turntablist Joe Hahn , was released on August 26 , 2010 .. turntablist. Turntablism. Joe Hahn. Joe Hahn. `` The Catalyst '' is used in the trailer and credits of the video game Medal of Honor and also the opening song of Namco-Bandai 's Arcade game , Mobile Suit Gundam  : Extreme Vs. .. Medal of Honor. Medal of Honor ( 2010 video game ). Namco-Bandai. Namco-Bandai. It was also used in select commercials of the Discovery Channel series , Surviving the Cut .. Discovery Channel. Discovery Channel. Surviving the Cut. Surviving the Cut. The song was also featured in the video game Linkin Park Revenge for the iPhone , iPad , and iPod Touch .. Linkin Park. Linkin Park. iPhone. iPhone. iPad. iPad. iPod Touch. iPod Touch. `` The Catalyst '' has also been used in the advertisement for the 2011 movie The Lincoln Lawyer with Matthew McConaughey .. The Lincoln Lawyer. The Lincoln Lawyer ( film ). Matthew McConaughey. Matthew McConaughey. `` The Catalyst '' , along with five other songs from A Thousand Suns , are featured in the `` Linkin Park Track Pack '' as downloadable content for the rhythm video game Guitar Hero  : Warriors of Rock .. Linkin Park. Linkin Park. A Thousand Suns. A Thousand Suns. downloadable content. downloadable content. The track pack was released on October 19 , 2010 .
related.