Remind Mike and Cindy to leave at 5 pm. Alert them 1 hour before.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED Mike ] and [SL:PERSON_REMINDED Cindy ] to [SL:TODO [IN:GET_TODO [SL:TODO leave ] [SL:DATE_TIME at 5 pm ] ] ] . Alert them [SL:DATE_TIME 1 hour before ] . ]