If I have to be on the airport at 2 pm when should i leave home?
[IN:GET_ESTIMATED_DEPARTURE If I have to be on [SL:DESTINATION [IN:GET_LOCATION [SL:CATEGORY_LOCATION the airport ] ] ] [SL:DATE_TIME_ARRIVAL at 2 pm ] when should i leave [SL:SOURCE [IN:GET_LOCATION_HOME home ] ] ? ]