def is_subset(*, superset, subset):
    for key, value in subset.items():
        if key not in superset:
            return False

        if isinstance(value, dict):
            if not is_subset(superset=superset[key], subset=value):
                return False

        elif isinstance(value, str):
            if value not in superset[key]:
                return False

        elif isinstance(value, list):
            if not set(value) <= set(superset[key]):
                return False
        elif isinstance(value, set):
            if not value <= superset[key]:
                return False

        else:
            if not value == superset[key]:
                return False

    return True