With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Yevgeny Kafelnikov and Nenad Zimonjić were the defending champions but only Kafelnikov competed that year with Wayne Ferreira.
text_B: Yevgeny Kafelnikov and Nenad Zimonjić were the defending champions.
entailment.