The new study examined the cellphone records of 744 drivers who had accidents in Perth , Australia , where drivers are required to use hands-free devices .
Australia /location/location/contains Perth
DT JJ NN VBD DT NN NNS IN CD NNS WP VBD NNS IN NNP , NNP , WRB NNS VBP VBN TO VB JJ NNS .
Australia
LOCATION
Perth
LOCATION
/location/location/contains