Bob is kind. Erin is red. Fiona is quiet. Rough people are not young. If Bob is rough then Bob is not quiet. If Bob is smart then Bob is green. If someone is red and kind then they are smart. If someone is young then they are kind. If someone is not quiet then they are young. If Fiona is green and Fiona is kind then Fiona is young. If someone is quiet and not rough then they are kind.
Fiona is not smart.