China once made it a practice to release a prominent prisoner in advance of an important state visit , and President Hu Jintao is to visit the United States in April .
Hu Jintao /people/person/nationality China
NNP RB VBD PRP DT NN TO VB DT JJ NN IN NN IN DT JJ NN NN , CC NNP NNP NNP VBZ TO VB DT NNP NNPS IN NNP .
Hu Jintao
PERSON
China
LOCATION
/people/person/nationality