With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Hsieh Shu-ying and Hsieh Su-wei were the defending champions, having won the event in 2012, but Hsieh Su-wei chose not to participate.
text_B: Hsieh Shu - ying and Hsieh Su - wei were the defending champions, having won the event in 2013, but Hsieh Su-wei chose not to participate.
contradiction.