Bob is not blue. Bob is cold. Bob is nice. Bob is not quiet. Bob is red. Bob is smart. Charlie is cold. Charlie is not furry. Charlie is not quiet. Charlie is not red. Fiona is blue. Fiona is furry. Fiona is nice. Fiona is red. Fiona is smart. All furry, blue things are quiet. All nice things are smart. Quiet things are cold. If something is not red then it is smart. If Charlie is blue then Charlie is furry. If something is red and not smart then it is quiet. If something is cold and not smart then it is not furry. If something is blue and not furry then it is nice.
Charlie is blue.