With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Yeh Dillagi had Saif Ali Khan in its main cast.
text_B: The Lavochkin La-11 -LRB- NATO reporting name Fang -RRB- was an early post-World War II Soviet long-range piston-engined fighter aircraft .. NATO reporting name. NATO reporting name. World War II. World War II. Soviet. Soviet Union. fighter aircraft. fighter aircraft
not_related.