Erin is huge. Erin is strong. Bob is little. Bob is thin. Gary is nice. Dave is dull. Dave is rough. If someone is not big then they are dull. If someone is not sad then they are quiet. If someone is nice then they are smart. If someone is smart and not bad then they are wealthy. If someone is dull and not big then they are poor. If someone is little and thin then they are bad. If someone is bad and not smart then they are rough. All quiet people are kind. 
Bob is not rough.