Bob is quiet. Bob is young. Dave is blue. Dave is cold. Fiona is furry. Fiona is quiet. Gary is blue. Quiet people are young. Furry, cold people are quiet. If someone is not big then they are blue. If someone is blue and not big then they are cold. Young people are smart. If someone is blue and cold then they are furry. If someone is big and not smart then they are furry. If someone is quiet and not blue then they are not young. If Fiona is smart and Fiona is not quiet then Fiona is not furry.
Fiona is blue.