With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Mexico has a rich culinary culture and history.
text_B: The 1974 Centennial Cup is the fourth Tier II Junior `` A '' 1974 ice hockey National Championship for the Canadian Junior A Hockey League .. ice hockey. ice hockey. Canadian Junior A Hockey League. Canadian Junior A Hockey League. Centennial Cup. Royal Bank Cup. The Centennial Cup was competed for by the winners of the Western Canadian Champions and the Eastern Canadian Champions .. Centennial Cup. Royal Bank Cup. Western Canadian Champions. Abbott Cup. The finals were hosted by the Selkirk Steelers in the city of Nepean , Ontario .. Selkirk Steelers. Selkirk Steelers
not_related.