Anne is quiet. Fiona is big. If something is quiet and green then it is rough. All rough, blue things are round. If Anne is blue then Anne is not round. All red things are not quiet. If Fiona is rough and Fiona is red then Fiona is green. All big, quiet things are not blue. If something is not green then it is not red. If something is round and not rough then it is red.
Fiona is not green.