Will I get to the orthodontist on time if I leave work by 3?
[IN:GET_ESTIMATED_ARRIVAL Will I get to [SL:DESTINATION [IN:GET_LOCATION [SL:CATEGORY_LOCATION the orthodontist ] ] ] on time if I leave [SL:SOURCE [IN:GET_LOCATION_WORK work ] ] [SL:DATE_TIME_DEPARTURE by 3 ] ? ]