YOU SAID:

Their heads were green and their hands were blue and they went to sea in a sieve

INTO JAPANESE

彼らの頭は緑色で、手は青色で、ふるいに入れられて海へ行きました。

BACK INTO ENGLISH

Their heads were green and their hands were blue, and they were sifted into the sea.

INTO JAPANESE

彼らの頭は緑色、手は青色で、ふるいにかけられて海に捨てられました。

BACK INTO ENGLISH

Their heads were green and their hands were blue, and they were sifted into the sea.