Erin is big. Erin is huge. Dave is short. Dave is thin. Harry is kind. Fiona is bad. Fiona is dull. If someone is not high then they are bad. If someone is not sad then they are smart. If someone is kind then they are wealthy. If someone is wealthy and not poor then they are quiet. If someone is bad and not high then they are rough. If someone is short and thin then they are poor. If someone is poor and not wealthy then they are dull. All smart people are nice. 
Erin is not rough.