I can't miss my doctor's appointment tomorrow; can you please alert me when it's a half an hour before the 10 am appointment?
[IN:CREATE_REMINDER I can't miss my doctor 's appointment tomorrow ; can you please alert [SL:PERSON_REMINDED me ] when it 's [SL:DATE_TIME a half an hour before ] [SL:TODO [IN:GET_TODO the [SL:DATE_TIME 10 am ] [SL:TODO appointment ] ] ] ? ]