Charlie is blue. Charlie is cold. Charlie is furry. Charlie is green. Charlie is kind. Charlie is round. Charlie is white. Fiona is not furry. Fiona is green. Fiona is kind. Fiona is not round. Fiona is not white. If Fiona is round then Fiona is green. If Fiona is green then Fiona is not blue. Furry people are kind.
Charlie is not green.