YOU SAID:

I have two cats Oliver and William one is black and the other is grey

INTO JAPANESE

私は2匹の猫オリバーとウィリアムを飼っています。1匹は黒でもう1匹は灰色です。

BACK INTO ENGLISH

I have two cats, Oliver and William. One is black and the other is gray.

INTO JAPANESE

私はオリバーとウィリアムの2匹の猫を飼っています。 1つは黒で、もう1つは灰色です。

BACK INTO ENGLISH

I have two cats, Oliver and William. One is black and the other is gray.