How long will it take me to get home tonight if I leave work at 6?
[IN:GET_ESTIMATED_DURATION How long will it take me to get [SL:DESTINATION [IN:GET_LOCATION_HOME home ] ] [SL:DATE_TIME_ARRIVAL tonight ] if I leave [SL:SOURCE [IN:GET_LOCATION_WORK work ] ] [SL:DATE_TIME_DEPARTURE at 6 ] ? ]