def create_example(line,set_type):
    """Creates examples for the training and dev sets."""
    guid = "%s-%s" % (set_type, 1)
    text_a = tokenization.convert_to_unicode(line[1])
    label = tokenization.convert_to_unicode(line[0])
    example = InputExample(guid=guid, text_a=text_a, text_b=None, label=label)
    return example
    def _create_examples(self, lines, set_type):
        """Creates examples for the training and dev sets."""
        examples = []
        for (i, line) in enumerate(lines):
            guid = "%s-%s" % (set_type, i)
            text_a = tokenization.convert_to_unicode(line[1])
            label = tokenization.convert_to_unicode(line[0])
            #self.labels.add(label)
            # by chenming           
            for l in label:
                self.labels.add(l)
            examples.append(
                InputExample(guid=guid, text_a=text_a, text_b=None, label=label))

        return examples