Bob is not young. Erin is smart. Fiona is kind. Fiona is smart. Gary is kind. Gary is not smart. Gary is young. If something is round then it is not quiet. If Erin is kind and Erin is smart then Erin is young. Young things are white. If Gary is big and Gary is quiet then Gary is not kind. If Bob is smart and Bob is big then Bob is young. All round, white things are not smart. If Bob is quiet and Bob is not kind then Bob is not young. If something is not young then it is not white.
Erin is not young.