With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Rod Serling argued with the people who sponsor television.
text_B: Travis Walton may refer to  :. Travis Walton -LRB- basketball -RRB- American professional basketball player and coach. Travis Walton UFO incident American logger who claims to have been a UFO abductee. Travis Walton UFO incident. Travis Walton UFO incident
not_related.