YOU SAID:
Do you smoke watermelon
INTO JAPANESE
あなたはスイカを吸いますか
BACK INTO ENGLISH
Do you smoke a watermelon?
INTO JAPANESE
あなたはスイカを吸いますか?
BACK INTO ENGLISH
Do you smoke watermelon?
INTO JAPANESE
あなたはスイカを吸いますか?
BACK INTO ENGLISH
Do you smoke watermelon?
That didn't even make that much sense in English.