With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Will Ferrell wrote screenplays with a screenwriter.
text_B: CKOY may refer to  :. CKOY-FM in Sherbrooke , Quebec ,. CKOY-FM. CKOY-FM. a former call sign of CIWW in Ottawa , Ontario ,. CIWW. CIWW. a former call sign of CHYK-FM in Timmins , Ontario .. CHYK-FM. CHYK-FM
not_related.