Dave is not big. Dave is furry. Dave is not green. Dave is kind. Dave is not nice. Dave is rough. Dave is not young. If something is not nice then it is rough. If something is young and not kind then it is big. If Dave is green and Dave is big then Dave is not furry. Young things are not rough. Young, big things are not furry. If something is green and young then it is furry.
Dave is green.