Bob is blue. Bob is green. Bob is round. Bob is smart. Bob is white. Charlie is blue. Charlie is green. Charlie is nice. Charlie is smart. Fiona is blue. Fiona is cold. Fiona is smart. If someone is not blue then they are white. If someone is smart then they are round. All nice people are round. If Charlie is blue and Charlie is green then Charlie is smart. All cold, green people are nice. Cold people are white. If someone is round and not smart then they are cold. If Fiona is cold and Fiona is not round then Fiona is white.
Charlie is round.