With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Back to the Future Part II is the second installment in the Back to the Future trilogy.
text_B: Georg Henschel may refer to  :. Georg Christian Carl Henschel , founder of Henschel & Son. Henschel & Son. Henschel & Son. George Henschel -LRB- Isidor Georg Henschel -RRB- , musician. George Henschel. George Henschel
not_related.