I want to be sure to be at the dentist at 3pm, so what time would I need to leave home if I am taking the highway?
[IN:GET_ESTIMATED_DEPARTURE I want to be sure to be at [SL:DESTINATION [IN:GET_LOCATION [SL:CATEGORY_LOCATION the dentist ] ] ] [SL:DATE_TIME_ARRIVAL at 3 pm ] , so what time would I need to leave [SL:SOURCE [IN:GET_LOCATION_HOME home ] ] if I am taking [SL:PATH [IN:GET_LOCATION [SL:CATEGORY_LOCATION the highway ] ] ] ? ]