The study was based on a telephone survey of parents with children 6 months to 6 years old and eight focus groups of mothers in Columbus , Ohio ; Irvine , Calif. ; Denver ; and Washington .
Ohio /location/location/contains Columbus
DT NN VBD VBN IN DT NN NN IN NNS IN NNS CD NNS TO CD NNS JJ CC CD NN NNS IN NNS IN NNP , NNP : NNP , NNP : NNP : CC NNP .
Ohio
LOCATION
Columbus
LOCATION
/location/location/contains