With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Strangers is a 2008 film by Bryan Bertino.
text_B: Chris Tugwell is an award-winning Australian dramatist , screenwriter and author of English descent .. Best known as a playwright , his most successful play was X-Ray , which he also produced .. He was originally a dancer and actor , performing with some of Australia 's most prominent Theatre-in-Education companies , before turning to writing full-time .. Tugwell is also a teacher of screenwriting and the author of the textbook , Dinosaur Theory .
not_related.