code: def negative_inference(self, content_id):
          '''Return a generator of inferred negative label relationships
          centered on ``content_id``.
  
          Negative labels are inferred by getting all other content ids
          connected to ``content_id`` through a negative label, then
          running :meth:`LabelStore.negative_label_inference` on those
          labels. See :meth:`LabelStore.negative_label_inference` for
          more information.
          '''
          neg_labels = ifilter(lambda l: l.value == CorefValue.Negative,
                               self.directly_connected(content_id))
          for label in neg_labels:
              label_inf = self.negative_label_inference(label)
              for label in label_inf:
                  yield labef negative_inference(self, content_id):
          '''Return a generator of inferred negative label relationships
          centered on ``content_id``.
  
          Negative labels are inferred by getting all other content ids
          connected to ``content_id`` through a negative label, then
          running :meth:`LabelStore.negative_label_inference` on those
          labels. See :meth:`LabelStore.negative_label_inference` for
          more information.
          '''
          neg_labels = ifilter(lambda l: l.value == CorefValue.Negative,
                               self.directly_connected(content_id))
          for label in neg_labels:
              label_inf = self.negative_label_inference(label)
              for label in label_inf:
                  yield label
docs: Return a generator of inferred negative label relationships
          centered on ``content_id``.
  
          Negative labels are inferred by getting all other content ids
          connected to ``content_id`` through a negative label, then
          running :meth:`LabelStore.negative_label_inference` on those
          labels. See :meth:`LabelStore.negative_label_inference` for
          more information.