def separate_answers(albert_text, cls='[CLS]', sep='[SEP]'):
    """
    Separates the sentences of sequence classification used for bert
    :param bert_text: list of bert word tokens
    :param cls: string of cls token
    :param sep: string of sep token
    :return: separated strings
    """
    # Fix SPIECE_underline
    cls_idx = albert_text.index(cls) + 4
    sep_1_idx = albert_text.index(sep) + 4
    ans1 = albert_text[cls_idx + 1:sep_1_idx - 4]
    ans2 = albert_text[sep_1_idx + 1:albert_text.index(sep, sep_1_idx + 1)]
    return ans1, ans2