Remind Jane and Bruce to leave at 5; alert them 15 mins before.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED Jane ] and [SL:PERSON_REMINDED Bruce ] to [SL:TODO [IN:GET_TODO [SL:TODO leave ] [SL:DATE_TIME at 5 ] ] ] ; alert them [SL:DATE_TIME 15 mins before ] . ]