With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Jackfruit is native to a place.
text_B: The Samuel Risley-class icebreakers are a class of two icebreakers and buoy tenders constructed for and operated by the Canadian Coast Guard .. class. Ship class. Canadian Coast Guard. Canadian Coast Guard. The two ships are based on offshore supply tugboat design and entered service in the 1980s .. tugboat. tugboat. Samuel Risley is deployed to the Central Region , operating mainly on the Great Lakes of North America while Earl Grey is posted to Atlantic Canada , working off the east coast of Canada .. Great Lakes. Great Lakes. Atlantic Canada. Atlantic Canada
not_related.