def split_cat_scope( root, name, token, hypothesis = nil )
      hypothesis = split_cat_hypothesis( name, token ) unless hypothesis
      return root + '_' + hypothesis.to_s
    end
def split_cat_scope( root, name, token, hypothesis = nil )
      hypothesis = split_cat_hypothesis( name, token ) unless hypothesis
      return root + '_' + hypothesis.to_s
    end
#split_cat_scope