With no explanation, label text_A→text_B with either "entailment", "neutral" or "contradiction".
text_A: Melanie Oudin and Jack Sock were the defending champions but lost to Sania Mirza and Colin Fleming in the second round.
text_B: Melanie Oudin and Jack Sock were the defending champions but lost to Sania Mirza and John Bull in the second round.
contradiction.