Dave is green. Fiona is not blue. If someone is quiet and blue then they are red. Rough, round people are not green. If Fiona is round and Fiona is not blue then Fiona is not rough. If someone is quiet and not green then they are round. If someone is not quiet then they are kind. If someone is red then they are kind. If Fiona is not round and Fiona is not blue then Fiona is rough. If someone is rough and not red then they are not round.
Dave is not round.