YOU SAID:
why did you drink all the chocky milk
INTO JAPANESE
なんで生乳を全部飲んだの?
BACK INTO ENGLISH
Why did you drink all the milk?
INTO JAPANESE
なぜ牛乳を全部飲んだのですか?
BACK INTO ENGLISH
Why did you drink all the milk?
That didn't even make that much sense in English.