2011 US Open – Mixed Doubles
{'<entity_0>': 'Melanie Oudin', '<entity_1>': 'Jack Sock'}
[['Melanie Oudin', 'together with', 'Jack Sock']]
Liezel Huber and Bob Bryan were the defending champions, but they lost to <entity_0> and <entity_1> in the second round.
['tennis event']