code: def get_common_pred(self, pred):
          ''' Gets version of predicate and sees if we have a translation to a common relation.
              INPUT:
                  pred = predicate from the triple
              OUTPUT:
                  Common relationship or None
          '''
          pred = self.clean_pred(pred)
          common_pred = self.pred2common.get(pred)
          return common_pref get_common_pred(self, pred):
          ''' Gets version of predicate and sees if we have a translation to a common relation.
              INPUT:
                  pred = predicate from the triple
              OUTPUT:
                  Common relationship or None
          '''
          pred = self.clean_pred(pred)
          common_pred = self.pred2common.get(pred)
          return common_pred
docs: Gets version of predicate and sees if we have a translation to a common relation.
              INPUT:
                  pred = predicate from the triple
              OUTPUT:
                  Common relationship or None