With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: There is a music competition called The X Factor.
text_B: The 1952-53 OB I bajnoksag season was the 16th season of the OB I bajnoksag , the top level of ice hockey in Hungary .. OB I bajnoksag. OB I bajnoksag. Hungary. Hungary. Nine teams participated in the league , and Postas Budapest won the championship .
not_related.