Bob is rough. Charlie is young. Fiona is young. Gary is rough. All cold, green people are not furry. If someone is blue and not green then they are furry. If someone is not young then they are furry. If Gary is rough and Gary is blue then Gary is cold. If someone is furry and not cold then they are not blue. If Gary is young and Gary is not furry then Gary is not rough.
Fiona is furry.