Zhang Dan and Zhang Hao of China defended their Skate America pairs title .
Zhang Hao /people/person/nationality China
Zhang Dan /people/person/nationality China
NNP NNP CC NNP NNP IN NNP VBD PRP$ NNP NNP NNS NN .
Zhang Hao
PERSON
China
LOCATION
/people/person/nationality
Zhang Dan
PERSON
China
LOCATION
/people/person/nationality