YOU SAID:

The green ant ate a green bean, which was sitting on the green ant's back

INTO JAPANESE

緑アリは、緑アリの背中に乗っていたインゲンを食べました

BACK INTO ENGLISH

The green ant ate the green beans that were on the green ant's back.

INTO JAPANESE

緑アリは、緑アリの背中にあったインゲン豆を食べました。

BACK INTO ENGLISH

The green ant ate the beans that were on the green ant's back.

INTO JAPANESE

緑アリは、緑アリの背中にあった豆を食べました。

BACK INTO ENGLISH

The green ant ate the beans that were on the green ant's back.