Bob is green. Bob is smart. Bob is young. Charlie is white. Dave is rough. Dave is round. Dave is white. Dave is young. Fiona is rough. Fiona is young. If Bob is round and Bob is kind then Bob is young. Young things are white. If something is kind and rough then it is green. All smart things are round. All smart things are white. If something is green then it is smart. All white things are kind. All round, kind things are rough.
Fiona is not smart.