Remind me to call my sister tonight at 8 pm today .
[IN:CREATE_REMINDER [SL:PERSON_REMINDED me ] [SL:TODO [IN:CREATE_CALL [SL:CONTACT [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION sister ] ] ] ] ] [SL:DATE_TIME tonight at 8 pm today ] ]