I don't want to miss church at 10 a.m. on Sunday; can you alert me an hour before?
[IN:CREATE_REMINDER I don't want to miss [SL:TODO [IN:GET_TODO [SL:TODO church ] [SL:DATE_TIME at 10 a.m . on Sunday ] ] ] ; can you alert [SL:PERSON_REMINDED me ] [SL:DATE_TIME an hour before ] ? ]