With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: Prearranged about 18 months in advance as the cruise lines sell segments all along the way i.e Transatlantic to London ( England ) , England to Barcelona ( Spain ) , Barcelona to Alexandria ( Egypt ) , Egypt to India via Suez canal etc .
text_B: The selling did not happen
not-entailed.