def has_other_useful_output(content_text):
    """Returns whether |content_text| has other useful output.

    Namely, console errors/warnings & alerts/confirms/prompts.
    """

    prefixes = ('CONSOLE ERROR:', 'CONSOLE WARNING:', 'ALERT:', 'CONFIRM:',
                'PROMPT:')

    def is_useful(line):
        return any(line.startswith(prefix) for prefix in prefixes)

    lines = content_text.strip().splitlines()
    return any(is_useful(line) for line in lines)