Remind Abby and Jason to leave at 3pm, alert them 30 minutes before.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED Abby ] and [SL:PERSON_REMINDED Jason ] to [SL:TODO [IN:GET_TODO [SL:TODO leave ] [SL:DATE_TIME at 3 pm ] ] ] , alert them [SL:DATE_TIME 30 minutes before ] . ]