def __init__(self, root, fileids, word_tokenizer=WhitespaceTokenizer(),
                 sent_tokenizer=None, encoding='utf8'):

        CorpusReader.__init__(self, root, fileids, encoding)
        self._word_tokenizer = word_tokenizer
        self._sent_tokenizer = sent_tokenizer
:param root: The root directory for this corpus.
dataset/ETHPy150Open nltk/nltk/nltk/corpus/reader/comparative_sents.py/ComparativeSentencesCorpusReader.__init__