Bob is quiet. Bob is rough. Erin is nice. Erin is round. Erin is young. Fiona is green. Fiona is nice. Fiona is quiet. Fiona is round. Fiona is young. All rough people are green. If someone is cold then they are green. If Fiona is rough and Fiona is cold then Fiona is nice. If someone is not quiet then they are round. If Bob is quiet then Bob is cold. All rough people are not nice. If someone is green and not rough then they are cold. If someone is young and not round then they are nice.
Erin is rough.