With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Star Wars: The Force Awakens is a film that happened after the American science fiction movie Star Wars: The Last Jedi.
text_B: The following is an overview of the events of 1970 in motorsport including the major racing events , motorsport venues that were opened and closed during a year , championships and non-championship events that were established and disestablished in a year , births and deaths of racing drivers and other motorsport people .
not_related.