YOU SAID:

Cats have four legs. My dog has four legs, therefore my dog is a cat.

INTO JAPANESE

猫には4本の足があります。私の犬は4本足なので、私の犬は猫です。

BACK INTO ENGLISH

The cat has four legs. My dog is a cat because my dog has four legs.

INTO JAPANESE

猫には4本の足があります。私の犬は4本の足を持っているので私の犬は猫です。

BACK INTO ENGLISH

The cat has four legs. My dog is a cat because my dog has four legs.