Fiona is not big. Fiona is not green. Fiona is not kind. Fiona is not nice. Fiona is not quiet. Fiona is red. Fiona is not smart. Harry is big. Harry is not green. Harry is kind. Harry is nice. Harry is not quiet. Harry is red. Harry is not smart. All quiet, smart things are red. If something is not red and not kind then it is green.
Harry is smart.