Anne is big. Anne is blue. Anne is quiet. Anne is red. Anne is round. Erin is round. Erin is young. Fiona is quiet. Fiona is round. Gary is blue. If Gary is red then Gary is quiet. All quiet, round things are big. White, young things are blue. All round, young things are red. If something is young then it is big. White things are quiet. Quiet things are round. If something is blue then it is quiet. If Gary is round and Gary is big then Gary is young.
Fiona is not young.