When will I arrive at the airport if I leave my house at 7 am?
[IN:GET_ESTIMATED_ARRIVAL When will I arrive at [SL:DESTINATION [IN:GET_LOCATION [SL:CATEGORY_LOCATION the airport ] ] ] if I leave [SL:SOURCE [IN:GET_LOCATION_HOME [SL:CONTACT my ] house ] ] [SL:DATE_TIME_DEPARTURE at 7 am ] ? ]