With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lust for Life has only ever been based on a comic book.
text_B: The 2016 Kansas City Chiefs season was the franchise 's 47th season in the National Football League , the 57th overall and the fourth under the head coach / general manager tandem of Andy Reid and John Dorsey .. Andy Reid. Andy Reid. John Dorsey. John Dorsey ( American football ). National Football League. National Football League. head coach. List of Kansas City Chiefs head coaches. The Chiefs clinched their first AFC West division title since 2010 .. AFC West. AFC West. 2010 Kansas City Chiefs season. The Chiefs also clinched a first-round bye for the first time since 2003 , but lost to the Pittsburgh Steelers in the divisional round .. Steelers. 2016 Pittsburgh Steelers season. 2003 Kansas City Chiefs season. Pittsburgh Steelers. 2016 Pittsburgh Steelers season
not_related.