With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: In a key warm-up for the Wimbledon Championships , Croatian tennis player Mario Ancic has defeated Czech player Jan Hernych , 6-4 , 6-4 to reach the finals of the Ordina Open in Den Bosch , the Netherlands .
text_B: Croatian is a geographical/political entity
entailed.