Remind Chris and Brian to leave at noon and alert them one hour ahead of time.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED Chris ] and [SL:PERSON_REMINDED Brian ] to [SL:TODO [IN:GET_TODO [SL:TODO leave ] [SL:DATE_TIME at noon ] ] ] and alert them [SL:DATE_TIME one hour ahead of time ] . ]