YOU SAID:

Was it a car or a cat I saw?

INTO JAPANESE

車や私が見た猫だったのか?

BACK INTO ENGLISH

was the car and i looked at the cat?

INTO JAPANESE

車だったし、猫を見た?

BACK INTO ENGLISH

it was a car, saw a cat?

INTO JAPANESE

車だったので、猫を見たか?

BACK INTO ENGLISH

saw the cat, so what?

INTO JAPANESE

猫を見たんですか?

BACK INTO ENGLISH

i saw a cat?

INTO JAPANESE

私は猫を見たか?

BACK INTO ENGLISH

i saw a cat?