With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ken Russell directed a film that was adapted from a novel by Upton Sinclair.
text_B: Abdul Omar may refer to  :. Abdul Omar -LRB- boxer -RRB- -LRB- born 1993 -RRB- , Ghanaian boxer. Abdul Rahman Omar -LRB- born 1945 -RRB- , Kenyan sport shooter. Abdul Rahman Omar. Abdul Rahman Omar
not_related.