def validate_output(stringToValidate):
    """
    Function for determining if the 'end' of the output has been reached, for 'some' definition of 'end'. :)
    Args:
        stringToValidate:   The string that we'll be checking for the special flag that tells us 'this is the end'.

    Returns:
        True:   If the output string contains the flag.
        False:  If the output string is empty or if it does not contain the flag.
    """

    sentinelString = 'overall alignment rate'

    if stringToValidate == '':
        return False
    elif sentinelString in stringToValidate:
        return True
    else:
        return False