YOU SAID:

cats are cats but when i fell down a well they were cats but not cats, they were people.

INTO JAPANESE

猫は猫ですが、井戸に落ちたときは猫だったのですが、猫ではなく人でした。

BACK INTO ENGLISH

The cat is a cat, but when it fell into the well, it was a cat, not a cat.

INTO JAPANESE

猫は猫ですが、井戸に落ちたときは猫ではなく猫でした。

BACK INTO ENGLISH

The cat is a cat, but when it fell into the well, it was not a cat, but a cat.

INTO JAPANESE

猫は猫ですが、井戸に落ちたときは猫ではなく猫でした。

BACK INTO ENGLISH

The cat is a cat, but when it fell into the well, it was not a cat, but a cat.