With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lymphoma cause 305,000 deaths in 2012.
text_B: Cynthia Nicholas is the name of  :. Cindy Nicholas -LRB- 1957 -- 2016 -RRB- , Canadian politician. Cindy Nicholas. Cindy Nicholas. Cynthia Nicholas -LRB- canoeist -RRB- -LRB- born 1937 -RRB- , Australian canoer
not_related.