n will have one more ones in each row: [[1,1,0], [0,1,1]]
        2. labels are in a single column of string or integer values representing class labels
               Example with label_columns=[&#39;label&#39;] and text_column=&#39;text&#39;:
                 text|label
                 I like this movie.|positive
                 I hated this movie.|negative
       3. labels are a single column of numerical values for text regression
          NOTE: Must supply is_regression=True for integer labels to be