Charlie is furry. Charlie is green. Charlie is nice. Charlie is red. Charlie is not white. Fiona is cold. Fiona is green. Fiona is red. Gary is blue. Gary is cold. Gary is not nice. Gary is white. If Charlie is red then Charlie is green. If someone is cold and not red then they are not green. All cold, furry people are blue. Green people are nice. All green people are furry. If someone is not nice and not white then they are not furry.
Fiona is not green.