With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Steve Irwin was Bolivian.
text_B: Freudenstein is a surname .. Notable people with the surname include  :. Ferdinand Freudenstein -LRB- 1926 -- 2006 -RRB- , physicist. Ferdinand Freudenstein. Ferdinand Freudenstein. George Freudenstein -LRB- 1921 -- 2007 -RRB- , politician. George Freudenstein. George Freudenstein
not_related.