With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Dragon is derived from only a main branch of a language family.
text_B: Charles Henry Burke -LRB- April 1 , 1861 -- April 7 , 1944 -RRB- was a Republican Congressman from South Dakota and Commissioner of the Bureau of Indian Affairs in the 1920s .. South Dakota. South Dakota. Republican. Republican Party ( United States ). Congressman. Congressman. Commissioner. Commissioner. Bureau of Indian Affairs. Bureau of Indian Affairs
not_related.