Erin is nice. If someone is not rough then they are smart. If someone is rough and not blue then they are smart. Young people are green. If someone is nice and young then they are round. If someone is smart and not rough then they are young. If someone is smart and not nice then they are round. If Erin is smart and Erin is not green then Erin is young. If someone is round and not young then they are not rough.
Erin is not nice.