YOU SAID:
mcdonalds is my favorite foot
INTO JAPANESE
マクドナルドは私の好きな足です
BACK INTO ENGLISH
McDonald's is my favorite foot.
INTO JAPANESE
マクドナルドは私のお気に入りの足です。
BACK INTO ENGLISH
McDonald's is my favorite leg.
INTO JAPANESE
マクドナルドは私のお気に入りの脚です。
BACK INTO ENGLISH
McDonald's is my favorite leg.
That didn't even make that much sense in English.