With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Radek Štěpánek and Michal Tabara were the defending champions but only Štěpánek competed that year with Leoš Friedl.
text_B: Hsieh Shu and Michal Tabara were the defending champions but only Štěpánek competed that year with Leoš Friedl.
contradiction.