Charlie is round. Erin is white. Fiona is white. Harry is rough. If someone is rough and not white then they are round. If someone is not furry then they are rough. If someone is big and not blue then they are not young. All rough, white people are round. Round people are not young. All furry people are round. All young people are not blue. All furry people are round.
Fiona is not blue.