With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The 2014 WTA Finals was the 44th edition of a sports event.
text_B: The Socialist Union of America , also called American Socialist Union , Socialist Union or Cochranites were a Trotskyist group that split from the Socialist Workers Party in 1953 and disbanded in 1959 .. Socialist Workers Party. Socialist Workers Party ( United States ). It included most of the SWPs trade union base , as well as others sympathetic to the `` Pabloist '' line of the International Secretariat of the Fourth International , though it was never recognized as a section of the ISFI .. Pabloist. Pabloism. International Secretariat of the Fourth International. International Secretariat of the Fourth International
not_related.