With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Istanbul is in Italy.
text_B: The Taylor County Expo Center is a 5,000-seat multi-purpose arena in Abilene , Texas .. arena. arena. It was built in 1973 .. The Expo Center is the former home of the Abilene Aviators , of the Western Professional Hockey League .. Abilene Aviators. Abilene Aviators. Western Professional Hockey League. Western Professional Hockey League. In 2015 , it was announced as the home venue for the Abilene Warriors of American Indoor Football for their inaugural 2016 season .. Abilene Warriors. Abilene Warriors. American Indoor Football. American Indoor Football. 2016 season. 2016 American Indoor Football season. However , prior to their first game , the lease was cancelled due to a `` breach of contract '' and the Warriors announced they would play their first game in Snyder , Texas .
not_related.