Charlie is green. Charlie is nice. Charlie is quiet. Charlie is rough. Charlie is round. Charlie is young. Erin is big. Erin is green. Erin is nice. Harry is nice. Harry is quiet. Harry is rough. If Erin is green and Erin is round then Erin is quiet. If Erin is not nice and Erin is not rough then Erin is not green. If Charlie is big and Charlie is not green then Charlie is rough. If Harry is rough then Harry is big. All quiet people are young. All nice people are round. All green, nice people are big. If someone is rough and not quiet then they are big.
Erin is not quiet.