With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Leslie Groves only directed publicly available research projects.
text_B: Tommy Irvin -LRB- born July 14 , 1929 -RRB- served as Georgia 's Commissioner of Agriculture from 1969 until January 2011 .. Georgia. Georgia ( U.S. state ). Commissioner of Agriculture. Commissioner of Agriculture. Irvin holds a record as the longest-serving Commissioner of Agriculture in the United States , and the longest-serving statewide official in Georgia .. Georgia. Georgia ( U.S. state ). Commissioner of Agriculture. Commissioner of Agriculture. United States. United States
not_related.