With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Supernatural pilot was written by an American television writer.
text_B: Eric Kripke -LRB- born April 24 , 1974 -RRB- is an American television writer , director , and producer .. writer. screenwriting. director. television director. producer. television producer. He is the creator of The WB -LRB- now The CW -RRB- series Supernatural , the NBC series Revolution and more recently , the NBC series Timeless .. The WB. The WB. The CW. The CW. Supernatural. Supernatural ( U.S. TV series ). NBC. NBC. Revolution. Revolution ( TV series ). Timeless. Timeless ( TV series )
related.