Charlie is not quiet. The sister of Gary is not Erin. If Erin is blue then Erin is the wife of Anne. If The mother of Gary is Charlie then Charlie is not nice. If Fiona is not the brother of Bob then Charlie is Gary's mother. If Erin is the wife of Anne then The brother of Bob is not Fiona. If Charlie is quiet or The sister of Gary is Erin then Erin is not blue.