With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Supernatural (U.S. TV series) was first aired on September 13, 2010.
text_B: The Assizes of Jerusalem are a collection of numerous medieval legal treatises containing the law of the crusader Kingdom of Jerusalem and Kingdom of Cyprus .. Kingdom of Jerusalem. Kingdom of Jerusalem. Kingdom of Cyprus. Kingdom of Cyprus. They were compiled in the thirteenth century , and are the largest collection of surviving medieval laws .
not_related.