With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Gone Girls stars Neil Patrick Harris and Ben Affleck.
text_B: The Bakersfield Open was a golf tournament on the LPGA Tour from 1952 to 1953 .. golf. golf. LPGA Tour. LPGA Tour. It was played in Bakersfield , California
not_related.