Bob is red. Bob is round. Bob is white. Charlie is nice. Charlie is quiet. Charlie is not red. Charlie is white. Erin is round. Erin is white. Fiona is blue. If something is quiet then it is not blue. White, rough things are quiet. Red, round things are rough. All white things are nice. If something is round and nice then it is red. If something is quiet and blue then it is not round. If something is not red then it is rough. If something is not rough then it is quiet.
Bob is white.