With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Bob Riley was the 52nd Governor of Alabama in 2003.
text_B: Robert Renfroe Riley -LRB- born October 3 , 1944 -RRB- is an American politician who was the 52nd Governor of Alabama from 2003 to 2011 .. 52nd. List of Governors of Alabama. Governor of Alabama. Governor of Alabama. Alabama. Alabama. politician. politician. He is a member of the Republican Party .. Republican. Republican Party ( United States ). Republican Party. Republican Party ( United States )
related.