With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Purple is a playlist.
text_B: Donald Wayne `` Don '' Kainer -LRB- born September 3 , 1955 in Houston , Texas -RRB- was an American baseball player who played pitcher in the Major Leagues in 1980 .. baseball. baseball. pitcher. pitcher. He played for the Texas Rangers .. Texas Rangers. Texas Rangers ( baseball )
not_related.