With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Brock Lesnar won a fight against a former judoka in 2000.
text_B: Pacific Airways may refer to  :. Pacificair -LRB- Pacific Airways Corporation -RRB- , an airline in the Philippines. Pacificair. Pacificair. Pacific Airways Inc. , a small airline that operates DHC-2 Beaver float planes in Ketchikan , Alaska , United States. Pacific Airlines may refer to  :. Jetstar Pacific Airlines -LRB- formerly Pacific Airlines -RRB- , an airline in Vietnam. Jetstar Pacific Airlines. Jetstar Pacific Airlines. Canadian Pacific Airlines -LRB- also known as CP Air -RRB- , a defunct -LRB- 1942 -- 1987 -RRB- airline , later known as Canadian Airlines and now forming part of Air Canada. Canadian Pacific Airlines. Canadian Pacific Airlines
not_related.