def parse_token_clause(token_clause):
    """Parse the clause that could be either 'with', 'using', or 'without'."""
    use_token = {"with": True,
                 "using": True,
                 "without": False}.get(token_clause)
    if use_token is None:
        raise Exception("Wrong clause specified: {t}".format(t=token_clause))
    return use_token