YOU SAID:

Cats are from outer space

INTO JAPANESE

猫は、外宇宙から

BACK INTO ENGLISH

Cats are not from outer space

INTO JAPANESE

猫は宇宙空間からではないです。

BACK INTO ENGLISH

The cat from outer space is not.

INTO JAPANESE

宇宙からの猫ではありません。

BACK INTO ENGLISH

The cat from outer space is not.