Bob is green. Bob is rough. Bob is smart. Charlie is furry. Charlie is green. Charlie is nice. Charlie is quiet. Charlie is rough. Charlie is smart. Charlie is young. Fiona is furry. Fiona is green. Fiona is nice. Fiona is rough. Fiona is smart. Fiona is young. All green, quiet people are rough. Nice, smart people are rough. If someone is green then they are nice.
Bob is not furry.