With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Glen Campbell has not won the Grammy Lifetime Achievement Award in 2012.
text_B: Timelines  : Assault on America is a real-time strategy game set in an alternate history World War II .. real-time strategy. real-time strategy. game. video game. alternate history. alternate history. World War II. World War II. The game was being re-released for SteamOS in 2014 .. SteamOS. SteamOS. game. video game. Released on iOS and Android on February 17 , 2015 .. iOS. iOS. Android. Android ( operating system )
not_related.