def write(self, data):
        if 0 in self.pipes:
            self.pipes[0].write(data)
Return a list of features in the review. Each feature is a tuple made of
dataset/ETHPy150Open twisted/twisted/twisted/internet/process.py/Process.write--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/corpus/reader/reviews.py/Review.features