With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Discoveries in civil engineering were made by Leonardo da Vinci.
text_B: Justin Potter Wilson -LRB- born January 4 , 1945 -RRB- is an American lawyer and Republican politician who is Tennessee state Comptroller of the Treasury .. Republican. Republican Party ( United States ). Tennessee. Tennessee. He has been Tennessee deputy governor , a federal judicial nominee to the U.S. Court of Appeals for the Sixth Circuit , and an adjunct professor at Vanderbilt University Law School .. Vanderbilt University. Vanderbilt University. Tennessee. Tennessee. U.S. Court of Appeals for the Sixth Circuit. U.S. Court of Appeals for the Sixth Circuit. Vanderbilt University Law School. Vanderbilt University Law School
not_related.