With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Manchester City F.C. is not one of the wealthiest clubs in the world.
text_B: Cyana divakara is a species of moth of the family Erebidae .. moth. moth. Erebidae. Erebidae. It is found in India -LRB- including Sikkim -RRB- .. India. India
not_related.