Charlie is nice. Charlie is quiet. Charlie is white. Fiona is big. Fiona is not furry. Fiona is not green. Fiona is nice. Fiona is quiet. Fiona is smart. Fiona is white. Harry is big. Harry is furry. Harry is quiet. Harry is smart. Harry is not white. If something is white then it is smart. If Fiona is smart then Fiona is white. If something is furry and not nice then it is not green. All big things are smart. All green, big things are not quiet. If something is furry then it is quiet. If Harry is white and Harry is not smart then Harry is not green. If something is white and not smart then it is quiet.
Charlie is green.