Cephalon has hired Kim Zimmerman , a health policy aide to Senator Ben Nelson , a conservative Democrat of Nebraska .
Ben Nelson /people/person/place_lived Nebraska
NNP VBZ VBN NNP NNP , DT NN NN NN TO NNP NNP NNP , DT JJ NNP IN NNP .
Ben Nelson
PERSON
Nebraska
LOCATION
/people/person/place_lived