Bob is smart. Dave is rough. Fiona is kind. Fiona is rough. Fiona is young. Harry is green. Harry is kind. Harry is red. Harry is rough. Harry is young. All big, smart people are young. If someone is not green then they are rough. Smart, red people are kind. If someone is rough and not green then they are big. If someone is young and big then they are red. Young people are rough. All rough, big people are smart.
Dave is not young.