Bob is blue. Bob is nice. Bob is quiet. Bob is round. Bob is smart. Fiona is blue. Fiona is nice. Fiona is quiet. Fiona is rough. Fiona is round. All quiet people are nice. If Fiona is rough and Fiona is nice then Fiona is round. If someone is quiet and rough then they are furry. Quiet people are blue. All rough, quiet people are smart. If someone is furry then they are round. If someone is rough and smart then they are furry. If someone is round and blue then they are furry.
Fiona is quiet.