With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Harry Potter series has been translated into many languages.
text_B: Districts -LRB- kotar -RRB- were the secondary territorial subdivisions of the Independent State of Croatia .. Independent State of Croatia. Independent State of Croatia. There were 139 of them originally , with that number changing after the capitulation of Italy and the discontinuation of the Rome Agreement .. The districts were each a part of a county , and were themselves further divided into municipalities .. each a part of a county. Counties of the Independent State of Croatia
not_related.