YOU SAID:
Yellow cars smell bad
INTO JAPANESE
黄色い車が悪臭を放つ
BACK INTO ENGLISH
Yellow car gives off a bad smell
INTO JAPANESE
黄色の車が悪臭を放つ
BACK INTO ENGLISH
A yellow car gives off a stink
INTO JAPANESE
黄色の車が悪臭を放つ
BACK INTO ENGLISH
A yellow car gives off a stink
That didn't even make that much sense in English.