def is_kitchener_utilities_bill(soup):
    """Check if this is a Kitchener Utilities bill."""

    def find_kitchener_utilities(tag):
        return (
            tag.name == "span"
            and tag.decode().find("Supplier: KITCHENER UTILITIES") >= 0
        )

    return len(soup.find_all(find_kitchener_utilities)) > 0