With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Stone Temple Pilots had an original member that was a singer.
text_B: The following is a list of professional sports leagues by revenue .. In this table , the `` Season '' column refers to the league season for which financial data is available and referenced , which is usually not the most recently completed season of competition .
not_related.