Bob is big. Bob is blue. Bob is furry. Bob is not kind. Bob is nice. Bob is red. Bob is young. Fiona is not big. Fiona is kind. Fiona is red. Harry is blue. Harry is not furry. Harry is not kind. Harry is nice. Harry is young. If Fiona is kind and Fiona is nice then Fiona is young. All blue, kind people are young. If someone is not nice then they are blue.
Bob is not blue.