YOU SAID:

The movie is better than the book.

INTO JAPANESE

その映画はその本よりも優れている。

BACK INTO ENGLISH

That movie is superior to that one.

INTO JAPANESE

あの映画はあの映画より優れています。

BACK INTO ENGLISH

That movie is better than that movie.

INTO JAPANESE

あの映画はあの映画よりいい。

BACK INTO ENGLISH

That movie is better than that movie.