Four friends live in a small town. Their names are Cook, Miller, Smith, and Carter. They have different jobs. One is a policeman, one is a carpenter , one is a farmer, and one is a doctor. One day Cook's son broke  his right leg, and Cook took him to the doctor. The doctor's sister is Smith's wife. The farmer isn't married . He has a lot of good hens. Miller always buys eggs from the farmer. The policeman sees Smith every day because they are neighbors . Who is the farmer?
Cook Smith Carter Miller