YOU SAID:

Bear puns are not funny

INTO JAPANESE

クマの駄洒落が面白いされていません。

BACK INTO ENGLISH

Bear puns are funny is not.

INTO JAPANESE

クマの駄洒落が面白いではないです。

BACK INTO ENGLISH

Not bear puns are funny.

INTO JAPANESE

ないクマ駄洒落がおかしいです。

BACK INTO ENGLISH

Not bear puns are funny.