With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Attack on Titan is an anime released in 2013.
text_B: This event was held on Saturday 29 January 2011 as part of the 2011 UCI Cyclo-cross World Championships in Sankt Wendel , Germany .. 2011 UCI Cyclo-cross World Championships. 2011 UCI Cyclo-cross World Championships. Sankt Wendel. Sankt Wendel. Germany. Germany
not_related.