def get_keywords2(lines):
    key_words = []

    for line in lines:
        tokens = line.split()
        if len(tokens) != 5 or not re.search('[a-zA-Z]', tokens[0]) == None:
            continue
        word = tokens[0]
        pos_count = tokens[3]
        neg_count = tokens[4]
        if int(pos_count) != 0:
            key_words += [([word],"postive")]* int(pos_count)
        if int(neg_count) != 0:
            key_words += [([word],"negative")]* int(neg_count)
    return key_words