With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The CW owns iZombie.
text_B: Second Baptist Church is an historic church building located in Centerville , Iowa , United States .. United States. United States. It was listed on the National Register of Historic Places in 1999 .. National Register of Historic Places. National Register of Historic Places
not_related.