With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: While Pierce did not compete this year, Stubbs partnered with Cara Black, but they lost in first round to Daniela Hantuchová and Chanda Rubin.
text_B: they lost in first round to Daniela Hantuchová and Chanda Rubin.
entailment.