With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lance Armstrong is immune to disease.
text_B: William L. Hadden -LRB- October 8 , 1896 - July 11 , 1983 -RRB- was an American politician who was the 67th Lieutenant Governor of Connecticut from 1943 to 1945 .. 67th Lieutenant Governor of Connecticut. List of lieutenant governors of Connecticut
not_related.