YOU SAID:

No human has ever set foot on Mars.

INTO JAPANESE

人間が足を踏み入れたことがない火星に。

BACK INTO ENGLISH

By not that humans set foot Mars.

INTO JAPANESE

ないその人間が足を踏み入れる火星。

BACK INTO ENGLISH

Not that humans set foot on Mars.

INTO JAPANESE

火星に足を踏み入れた人間はないです。

BACK INTO ENGLISH

There is no human set foot on Mars.

INTO JAPANESE

火星に足を踏み入れた人間はありません。

BACK INTO ENGLISH

Man set foot on Mars.

INTO JAPANESE

男は火星に足を踏み入れた。

BACK INTO ENGLISH

Man set foot on Mars.