With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: My Summer of Love is a British movie released in 2004.
text_B: The Shanta Creek Wildfire was a lightning caused a forest fire that started on June 29 , 2009 in the Kenai National Wildlife Refuge on the Kenai Peninsula of Alaska .. Kenai National Wildlife Refuge. Kenai National Wildlife Refuge. Kenai Peninsula. Kenai Peninsula. Alaska. Alaska. More than 13000 acre were burned and over 400 personnel were involved in the firefighting effort .. firefighting. firefighting
not_related.