With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Supernatural pilot was written by David Nutter
text_B: `` Pilot '' is the first episode of the television series Supernatural .. Supernatural. Supernatural ( U.S. TV series ). It premiered on The WB on September 13 , 2005 , and was written by series creator Eric Kripke and directed by David Nutter .. Eric Kripke. Eric Kripke. David Nutter. David Nutter. The WB. The WB. The Supernatural pilot introduced the characters of Sam -LRB- Jared Padalecki -RRB- and Dean Winchester -LRB- Jensen Ackles -RRB- , brothers who travel throughout the country hunting supernatural creatures , as they battled a ghostly Woman in White -LRB- Sarah Shahi -RRB- while searching for their missing father -LRB- Jeffrey Dean Morgan -RRB- .. Supernatural. Supernatural ( U.S. TV series ). Sarah Shahi. Sarah Shahi. Jeffrey Dean Morgan. Jeffrey Dean Morgan. pilot. Television pilot. Sam. Sam Winchester. Jared Padalecki. Jared Padalecki. Dean Winchester. Dean Winchester. Jensen Ackles. Jensen Ackles. Woman in White. La Llorona. Kripke was developing the concept for ten years before it was greenlit as a television series .. Before it could be filmed , the script underwent numerous revisions .. The episode was produced in Los Angeles , though future episodes were filmed in Vancouver , British Columbia , to save money .. Vancouver. Vancouver. The episode established the series ' tradition of a rock-music soundtrack , and included background music scored by Kripke 's friend Christopher Lennertz .. Christopher Lennertz. Christopher Lennertz. It received mixed reviews , with critics praising the horror elements but having varying opinions of the lead actors ' performances .
related.