With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Michael Schumacher debut race wasn't funded by Mercedes.
text_B: Pizza Haven was an American Seattle-based pizzeria and pizza delivery chain , known as dial-a-pizza , founded in 1958 and opening its first location in the University District , Seattle near the University of Washington .. Seattle. Seattle. pizza delivery. pizza delivery. University of Washington. University of Washington. Pizza Haven was one of the first pizza companies to make deliveries .. Restaurant employees used radio phones to relay orders to roving drivers who carried stacks of pizzas in warming ovens in the back of their jeeps and pickup trucks .. Ron Bean , the original founder , and a series of partners grew Pizza Haven into a chain of 42 restaurants throughout the Pacific Northwest and California .. The 700-employee company also opened franchises in Russia , Poland and the Middle East .. Russia. Russia. Poland. Poland. Middle East. Middle East
not_related.