l have a 5 pm appointment with Dr. Koh on the 16th  remind me the day before.
[IN:CREATE_REMINDER l have a [SL:TODO [IN:GET_TODO [SL:DATE_TIME 5 pm ] [SL:TODO appointment with Dr . Koh ] [SL:DATE_TIME on the 16th ] ] ] remind [SL:PERSON_REMINDED me ] [SL:DATE_TIME the day before ] . ]