There is a round house, with 4 rooms. the living room, the kitchen, the bedroom, and the jewelry room. one of the very expensive pieces of jewelry has been stolen. there were 4 suspects in the house at the time, the butler, the maid, the dog, and the cat. when they were interagated the butler said he was cleaning the living room, the maid said she was reading in the corner, the dog just barked, and the cat just meowed. based on this information, who stole the jewelry?