examples/research_projects/adversarial/utils_hans.py/HansProcessor/get_labels
class HansProcessor:    def get_labels(self):
        """See base class.
        Note that we follow the standard three labels for MNLI
        (see :class:`~transformers.data.processors.utils.MnliProcessor`)
        but the HANS evaluation groups `contradiction` and `neutral` into `non-entailment` (label 0) while
        `entailment` is label 1."""
        return ["contradiction", "entailment", "neutral"]