With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Thor: The Dark World was released in November 2013 in the United States.
text_B: This is a list of episodes for the first season of Survive This , a Canadian reality TV show on which eight teenagers with limited survival skills training are taken into a forest and confronted with a number of survival challenges to test their skills and perseverance .. Survive This. Survive This. Canadian. Canada. reality TV. reality television. survival skills training. survival skills. The show is hosted by Les Stroud , who narrates each episode , provides the teens with survival challenges , and assesses their performance .. Les Stroud. Les Stroud. The show premiered on April 7 , 2009 , in Canada and on June 17 , 2009 , in the United States .. United States. United States. Cartoon Network ceased to air Survive This after August 19 , 2009 ; the last episode to air was `` Mountain . ''. Survive This. Survive This. The final three episodes screened only on the Cartoon Network Web site .
not_related.