Remind me of my Thursday shopping trip with my sister.
[IN:CREATE_REMINDER Remind [SL:PERSON_REMINDED me ] of [SL:TODO [IN:GET_TODO my [SL:DATE_TIME Thursday ] [SL:TODO shopping trip ] with [SL:ATTENDEE [IN:GET_CONTACT [SL:CONTACT_RELATED my ] [SL:TYPE_RELATION sister ] ] ] ] ] . ]