YOU SAID:

Throw him in the ocean and see if he is sad.

INTO JAPANESE

海に彼を投げ、彼は悲しい。

BACK INTO ENGLISH

Threw him into the sea, he sad.

INTO JAPANESE

海に彼を投げた彼は悲しい。

BACK INTO ENGLISH

Sadly he threw him into the sea.

INTO JAPANESE

悲しげに彼は海に彼を投げた。

BACK INTO ENGLISH

Sadly he threw him into the sea.