Bob is cold. Bob is young. Dave is cold. Dave is furry. Dave is quiet. Dave is round. Dave is white. Dave is young. Erin is furry. Erin is rough. Erin is round. Erin is young. All rough people are round. All furry people are white. If someone is white then they are young. All furry people are quiet. If someone is cold then they are rough. All rough, cold people are quiet. All furry people are white. If Erin is white then Erin is young.
Bob is quiet.