Bob is not furry. Bob is green. Bob is round. Erin is furry. Erin is red. Erin is round. Fiona is not furry. Fiona is quiet. Fiona is red. Fiona is rough. Fiona is round. Fiona is smart. If someone is red then they are round. If Erin is round then Erin is not quiet. If someone is not furry then they are rough.
Erin is not quiet.