With no explanation, label text_A→text_B with either "not-entailed" or "entailed".
text_A: In women 's play , Czech player Klara Koukalova overcame a first-set loss to beat countrywoman Lucie Safarova in three sets , 3-6 , 6-2 , 6-2 .
text_B: Czech is a time on the clock
not-entailed.