I have to be at the airport by 10 AM. What time should I leave home
[IN:GET_ESTIMATED_DEPARTURE I have to be at [SL:DESTINATION [IN:GET_LOCATION [SL:CATEGORY_LOCATION the airport ] ] ] [SL:DATE_TIME_ARRIVAL by 10 AM ] . What time should I leave [SL:SOURCE [IN:GET_LOCATION_HOME home ] ] ]