examples/legacy/multiple_choice/utils_multiple_choice.py/SynonymProcessor/get_train_examples
class SynonymProcessor:    def get_train_examples(self, data_dir):
        """See base class."""
        logger.info("LOOKING AT {} train".format(data_dir))
        return self._create_examples(self._read_csv(os.path.join(data_dir, "mctrain.csv")), "train")