Dave is blue. Dave is green. Dave is red. Dave is round. Fiona is blue. Fiona is rough. Fiona is young. Harry is blue. Harry is furry. Harry is green. Harry is rough. Harry is not young. All furry people are not round. If Fiona is not rough and Fiona is not red then Fiona is green. If someone is not red and not green then they are furry.
Dave is green.