With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Jiří Novák and David Rikl were the defending champions but they competed with different partners that year, Novák with Radek Štěpánek and Rikl with David Prinosil.
text_B: Jiří Novák and David Rikl were the defending champions but they competed with different partners that year, Raja Hasan with Radek Štěpánek and Rikl with David Prinosil.
contradiction.