With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Peggy Sue Got Married is an American book released in 1986.
text_B: Alvah Sabin -LRB- October 23 , 1793 -- January 22 , 1885 -RRB- was an American politician and clergyman .. American. United States. clergyman. Minister ( Christianity ). He served as a United States Representative from Vermont .. Vermont. Vermont. United States Representative. United States Representative
not_related.