Bob is blue. Bob is furry. Bob is rough. Bob is young. Erin is blue. Erin is nice. Fiona is white. Harry is blue. Harry is rough. Harry is smart. Harry is white. Harry is young. Smart things are nice. All nice, blue things are furry. Blue, nice things are young. If something is white then it is blue. If something is white and young then it is smart. If something is furry then it is nice. If something is blue then it is furry. If something is nice then it is furry.
Erin is not rough.