With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Isle of Man is an island.
text_B: These are the results of the Men 's C-2 10000 metres competition in canoeing at the 1948 Summer Olympics .. canoeing at the 1948 Summer Olympics. canoeing at the 1948 Summer Olympics. The C-2 event is raced by two-man sprint canoes .. sprint canoes. Canoe racing. Heats and final took place on August 11 .
not_related.