Charlie is young. Dave is furry. Dave is green. Fiona is furry. Fiona is green. Fiona is smart. Fiona is white. Fiona is young. Harry is green. Harry is white. White, smart people are big. If Dave is green then Dave is furry. If Charlie is green and Charlie is white then Charlie is smart. If Fiona is big then Fiona is green. All furry, cold people are smart. All green people are white. All furry, white people are young. Furry, young people are cold. Green, big people are smart.
Charlie is smart.