Fiona is blue. Fiona is furry. Fiona is green. Fiona is nice. Fiona is quiet. Fiona is rough. Fiona is young. All furry, quiet things are young. If Fiona is green then Fiona is nice. Quiet things are nice. Rough things are furry. If Fiona is quiet and Fiona is nice then Fiona is green. If Fiona is blue then Fiona is quiet.
Fiona is not green.