YOU SAID:

That is without a doubt the funniest story I’ve ever heard

INTO JAPANESE

それは私が今まで聞いたことがあるおかしな話です。

BACK INTO ENGLISH

That's a funny story I have ever heard.

INTO JAPANESE

それは私が今まで聞いたことがある面白い話です。

BACK INTO ENGLISH

That's an interesting story I have ever heard.

INTO JAPANESE

それは私が今まで聞いたことのある興味深い話です。

BACK INTO ENGLISH

That is an interesting story I have ever heard.

INTO JAPANESE

それは私が今まで聞いたことのある興味深い話です。

BACK INTO ENGLISH

That is an interesting story I have ever heard.