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