code: def p_annotation_date_1(self, p):
          
          try:
              if six.PY2:
                  value = p[2].decode(encoding='utf-8')
              else:
                  value = p[2]
              self.builder.add_annotation_date(self.document, value)
          except CardinalityError:
              self.more_than_one_error('AnnotationDate', p.lineno(1))
          except OrderError:
              self.order_error('AnnotationDate', 'Annotator', p.lineno(1))
docs: annotation_date : ANNOTATION_DATE DATE