With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Trevor Berbick was a Jamaican Canadian professional boxer.
text_B: Sung Shee -LRB- ; 6 October 1920 -- 22 March 2007 -RRB- was an important Taiwan historian , geographer , educator and governmental official .. Sung was the fourth President of the Chinese Culture University .. Chinese Culture University. Chinese Culture University
not_related.