With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Berlin is uninfluenced by a temperate seasonal climate.
text_B: Tyson Williams -LRB- born 1 April 1989 -RRB- is a New Zealand rower .. rower. Rowing ( sport ). Williams was born in 1989 in Hamilton , New Zealand .. Hamilton. Hamilton, New Zealand. He represented New Zealand at the 2012 Summer Olympics .. 2012 Summer Olympics. New Zealand at the 2012 Summer Olympics. He is listed as New Zealand Olympian athlete number 1230 by the New Zealand Olympic Committee .. New Zealand Olympic Committee. New Zealand Olympic Committee
not_related.