Bob is furry. Erin is blue. Erin is quiet. Erin is smart. Fiona is smart. Fiona is young. Gary is blue. Gary is furry. Gary is nice. Gary is quiet. Gary is white. Gary is young. If something is nice then it is quiet. If something is furry then it is blue. If something is blue then it is nice. If something is quiet then it is white. Nice, furry things are young. Smart things are furry. White, nice things are smart. If something is quiet and white then it is young.
Erin is not young.