YOU SAID:

I am not a sad human being that is a happy dog

INTO JAPANESE

私は幸せな犬であることは悲しい人間ではありません

BACK INTO ENGLISH

I am not a sad person to be a happy dog

INTO JAPANESE

私は幸せな犬になるのは悲しい人じゃない

BACK INTO ENGLISH

I am not a sad person to be a happy dog