def METHOD_NAME(n: int = 500):
    """
    Create a default deduplication dataset.
    """
    X = make_deduplication_data(
        examples=["black", "white", "red"],
        entries_per_example=[n, n, n],
        prob_mistake_per_letter=0.3,
    )
    y = deduplicate(X)
    return X, y