With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Batman: The Killing Joke was written by an English writer.
text_B: J. B. Allen House may refer to  :. J. B. Allen House -LRB- Chestnut Grove , Kentucky -RRB- , listed on the NRHP in Shelby County , Kentucky. J. B. Allen House -LRB- Petoskey , Michigan -RRB- , listed on the National Register of Historic Places in Emmet County , Michigan
not_related.