With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Katharine Hepburn is a Classic Hollywood actress.
text_B: The 1996 -- 97 San Jose Sharks season was the Sharks ' sixth season of operation in the National Hockey League .. The Sharks again failed to make the playoffs , finishing 13th in the Western Conference .. Western. Western Conference ( NHL )
not_related.