Remind Anita, Madi, and Madelyn to leave at 8 am; alert them 15 min before.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED Anita ] , [SL:PERSON_REMINDED Madi ] , and [SL:PERSON_REMINDED Madelyn ] to [SL:TODO [IN:GET_TODO [SL:TODO leave ] [SL:DATE_TIME at 8 am ] ] ] ; alert them [SL:DATE_TIME 15 min before ] . ]