With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: A person that developed Vampire Diaries was from the United States and was an actor.
text_B: The Vampire Diaries is an American supernatural drama television series developed by Kevin Williamson and Julie Plec , based on the popular book series of the same name written by L. J. Smith .. drama. drama. The Vampire Diaries. The Vampire Diaries ( novel series ). L. J. Smith. L. J. Smith ( author ). Kevin Williamson. Kevin Williamson ( screenwriter ). Julie Plec. Julie Plec. supernatural. supernatural. book series of the same name. The Vampire Diaries ( novel series ). The series premiered on The CW on September 10 , 2009 and concluded on March 10 , 2017 , airing 171 episodes over eight seasons .. The CW. The CW. The pilot episode attracted the largest audience for The CW of any series premiere since the network began in 2006 .. pilot. Pilot ( The Vampire Diaries ). The CW. The CW. pilot episode. Pilot ( The Vampire Diaries ). The first season averaged 3.60 million viewers .. first season. The Vampire Diaries ( season 1 ). It was the most-watched series on the network before being supplanted by Arrow .. Arrow. Arrow ( TV series ). The show has received numerous award nominations , winning four People 's Choice Award and many Teen Choice Awards .. Teen Choice Awards. Teen Choice Awards. On April 26 , 2013 , The CW officially announced that the spin-off The Originals , which focuses on the Original family of vampires , had been ordered to series , and the show began airing during the 2013 -- 14 American television season .. The Originals. The Originals ( TV series ). The CW. The CW. On April 6 , 2015 , lead actress Nina Dobrev confirmed via Instagram that she and co-star Michael Trevino -LRB- who plays Tyler Lockwood -RRB- would be leaving the show after its sixth season .. Nina Dobrev. Nina Dobrev. Michael Trevino. Michael Trevino. Instagram. Instagram. Tyler Lockwood. Tyler Lockwood. Dobrev returned to record a voiceover for the seventh-season finale .. Trevino appeared as a guest star in season seven and returned for season 8 .. On March 11 , 2016 , The CW renewed the series for an eighth season , but on July 23 , 2016 , announced that the eighth season , which would have 16 episodes , would be the show 's last .. The CW. The CW. The final season began airing on October 21 , 2016 .
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