With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Leander Paes and Radek Štěpánek were the defending champions, but Štěpánek chose not to compete.
text_B: Leander Paes and Steve Malin were the defending champions, but Štěpánek chose not to compete.
contradiction.