With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: John McCain is not a conservative.
text_B: Blackwall is an area of the East End of London in the London Borough of Tower Hamlets on the north bank of the River Thames historically part of the parish of Poplar in Middlesex , and on the corner of the peninsula , the Isle of Dogs .. East End of London. East End of London. London Borough of Tower Hamlets. London Borough of Tower Hamlets. River Thames. River Thames. parish. ancient parish. Poplar. Poplar, London. Middlesex. Middlesex. Isle of Dogs. Isle of Dogs. While mostly residential , Blackwall Yard here provides moorings for vessels and significant roads cover the short riverside outside bend which defines the area .. Blackwall Yard. Blackwall Yard
not_related.