Create a reminder for the concert that starts at 7:00 pm on Saturday. Alert me an hour before.
[IN:CREATE_REMINDER Create a reminder for [SL:TODO [IN:GET_TODO [SL:TODO the concert ] that starts [SL:DATE_TIME at 7 : 00 pm on Saturday ] ] ] . Alert [SL:PERSON_REMINDED me ] [SL:DATE_TIME an hour before ] . ]