Bob is nice. Bob is rough. Erin is big. Erin is cold. Erin is kind. Erin is nice. Erin is rough. If Erin is rough and Erin is quiet then Erin is young. All kind people are quiet. Rough, nice people are kind. All rough, nice people are young. All young people are quiet. All young, big people are nice.
Erin is not quiet.