def METHOD_NAME():
    # Return False if one variant key is a CLDR plural and the other is neither a CLDR plural nor a number
    input = dedent(
        """
        my-entry =
            { $num ->
                [one] Hello!
               *[variant] World!
            }`
    """
    )
    message = parser.parse_entry(input)
    element = message.value.elements[0]
    assert is_plural_expression(element.expression) is False