Bob is big. Bob is green. Bob is quiet. Bob is white. Bob is young. Dave is cold. Dave is green. Dave is quiet. Dave is young. Erin is big. Erin is cold. Erin is green. Erin is quiet. Erin is rough. Erin is white. Erin is young. If someone is young then they are quiet. Big, cold people are rough. All young people are cold. If someone is green then they are young. If someone is cold and rough then they are green. Big, green people are cold.
Bob is not rough.