With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: At the age of 99, Elizabeth II is the world's oldest reigning monarch.
text_B: John Henry Neun -LRB- October 28 , 1900 -- March 28 , 1990 -RRB- was an American first baseman for the Detroit Tigers and the Boston Braves from 1925 to 1931 .. Detroit Tigers. Detroit Tigers. Boston Braves. Boston Braves ( baseball ). first baseman. first baseman
not_related.