Bob is rough. Bob is white. Charlie is cold. Charlie is rough. Erin is rough. Erin is round. Erin is white. Fiona is furry. Fiona is round. Fiona is white. If Charlie is white and Charlie is rough then Charlie is nice. If Fiona is rough and Fiona is cold then Fiona is white. All green, white people are furry.
Erin is not furry.