Bob is green. Bob is rough. Charlie is blue. Charlie is not cold. Charlie is not kind. Charlie is not quiet. Fiona is not blue. Fiona is cold. Fiona is not quiet. Fiona is rough. If Fiona is blue then Fiona is quiet. All cold things are kind. Quiet things are red. Quiet, rough things are not blue. All cold, red things are not blue. If Fiona is red and Fiona is not quiet then Fiona is blue.
Fiona is green.