If Brian left his house in Dublin 2 hours ago how much longer will it take him to get here?
[IN:GET_ESTIMATED_DURATION If [SL:SOURCE [IN:GET_LOCATION_HOME [SL:CONTACT Brian ] left his house in [SL:LOCATION_CURRENT Dublin ] ] ] [SL:DATE_TIME_DEPARTURE 2 hours ago ] how much longer will it take him to get [SL:DESTINATION [IN:GET_LOCATION [SL:LOCATION_USER here ] ] ] ? ]