Bob is red. Bob is rough. Bob is young. Erin is quiet. Erin is rough. Erin is white. Erin is young. Fiona is quiet. Fiona is rough. Fiona is young. If someone is rough and round then they are white. If Fiona is white and Fiona is round then Fiona is young. All rough people are quiet. Red, white people are round. Red, rough people are young. If someone is kind and white then they are red. All young, kind people are quiet. If someone is kind and round then they are quiet.
Bob is not round.