Anne is furry. Charlie is big. Erin is green. Harry is green. Rough, furry people are not quiet. All green people are big. Quiet people are green. Furry, round people are quiet. All white, round people are not quiet. Furry people are round. If Erin is quiet then Erin is not green. If someone is green and not big then they are not rough.
Charlie is not quiet.