With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dwight D. Eisenhower graduated from a military academy.
text_B: Bertha Pitts Campbell -LRB- June 30 , 1889 -- April 2 , 1990 -RRB- was a civil rights activist and one of the 22 founding members of Delta Sigma Theta Sorority , Inc. .. Delta Sigma Theta. Delta Sigma Theta
not_related.