Bob is green. Bob is nice. Bob is quiet. Charlie is kind. Charlie is quiet. Erin is kind. Erin is quiet. Erin is young. Fiona is kind. Fiona is rough. Fiona is white. Fiona is young. All kind things are white. All white things are young. Nice things are white. Kind, young things are rough. All rough things are green. Green things are nice. If something is nice and kind then it is green. If something is nice and kind then it is quiet.
Bob is not white.