With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Boston has a low cost of living.
text_B: The women 's 200 metre freestyle competition at the 2002 Pan Pacific Swimming Championships took place on August 26 -- 27 at the Yokohama International Swimming Pool .. Yokohama International Swimming Pool. Yokohama International Swimming Pool. 2002 Pan Pacific Swimming Championships. 2002 Pan Pacific Swimming Championships. freestyle. Freestyle swimming. The last champion was Susie O'Neill of Australia .. last. 1999 Pan Pacific Swimming Championships – Women's 200 metre freestyle. Susie O'Neill. Susie O'Neill. This race consisted of four lengths of the pool , all in freestyle .. freestyle. Freestyle swimming
not_related.