With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ozzy Osbourne is still a member of Black Sabbath.
text_B: Robert Dudley Baxter -LRB- 3 February 1827 , Doncaster -- 1875 , Frognal -RRB- was an English economist and statistician .. Doncaster. Doncaster. Frognal. Frognal. English. England. economist. economist. statistician. statistician
not_related.