YOU SAID:

I fed one cat, but not the other one.

INTO JAPANESE

私は一匹の猫に餌を与えましたが、もう一匹は食べ物を与えました。

BACK INTO ENGLISH

I fed one cat, while the other fed.

INTO JAPANESE

私は一匹の猫に餌を与え、もう一匹は餌を与えた。

BACK INTO ENGLISH

I fed one cat and the other.

INTO JAPANESE

そして他は？

BACK INTO ENGLISH

And the other?

INTO JAPANESE

そして他は？

BACK INTO ENGLISH

And the other?