With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Franklin D. Roosevelt started the development of an explosive device that derives its destructive force from fire.
text_B: Henry R. Winkler -LRB- October 27 , 1916 -- December 26 , 2012 -RRB- was president of the University of Cincinnati from 1977 to 1984 .. University of Cincinnati. University of Cincinnati. Winkler was the only UC graduate to hold the office of president of the University .. He was selected to serve as president in December , 1977 .. He was succeeded by Joseph A Steger .. Joseph A Steger. Joseph A Steger. Category  :1916 births. Category  :2012 deaths. Category  : University of Cincinnati faculty. University of Cincinnati. University of Cincinnati. Category  : University of Cincinnati alumni. University of Cincinnati. University of Cincinnati. Category  : Presidents of the University of Cincinnati. University of Cincinnati. University of Cincinnati
not_related.