def parse_feed_dict(placeholders, data, bs, seq_length, i=0):
    """ Returns the feed dict per batch with the parsed SQuAD data. """
    i = i * bs
    feed_dict = {
        placeholders[0]: data[0][i:i+bs],
        placeholders[1]: data[1][i:i+bs],
        placeholders[2]: data[2][i:i+bs],
        placeholders[3]: data[3][i:i+bs]
    }
    return feed_dict