With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Leslie Groves oversaw the construction of the Pentagon.
text_B: Floris Korb -LRB- born as Floris Nandor Korb , Kecskemet , 7 April 1860 -- Budapest , 16 September 1930 -RRB- was a Hungarian architect .. Hungarian. Hungary. Budapest. Budapest. Kecskemet. Kecskemet
not_related.