Charlie is furry. Charlie is round. Charlie is white. Erin is furry. Erin is nice. Fiona is green. Fiona is not nice. Fiona is round. Fiona is young. Harry is green. If someone is green and not nice then they are furry. If someone is white then they are young. Blue people are round. If someone is white and not green then they are round. White people are blue. All round people are white. All furry people are blue.
Erin is green.