Bob is not cold. Bob is furry. Bob is kind. Charlie is big. Charlie is cold. Charlie is furry. Charlie is green. Charlie is not kind. Erin is big. Erin is blue. Erin is cold. Erin is not kind. Erin is young. Fiona is blue. Fiona is not furry. Fiona is kind. If someone is blue and not cold then they are not young.
Bob is not green.