With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lymphoma is a kitten.
text_B: First Baptist Church is a historic baptist church at 3rd and Main Streets in Dayton , Oregon .. baptist. baptist. The church building was constructed in 1886 and added to the National Register of Historic Places in 1979 .. National Register of Historic Places. National Register of Historic Places
not_related.