Bob is green. Bob is kind. Bob is smart. Charlie is cold. Charlie is quiet. Charlie is young. Fiona is green. Fiona is kind. Fiona is nice. Fiona is young. All cold things are kind. If Charlie is quiet and Charlie is not cold then Charlie is not smart. If something is young and not cold then it is green. Smart things are quiet. If something is nice then it is young. If something is quiet then it is young. All young things are smart. If something is kind and not young then it is green.
Charlie is nice.