Dave is blue. Dave is green. Dave is kind. Dave is red. Dave is white. Erin is big. Erin is green. Erin is kind. Erin is red. Fiona is white. Harry is green. Harry is young. If Erin is big and Erin is red then Erin is white. Big, blue things are young. If something is big then it is green. If something is white and young then it is big. If something is green and white then it is kind. Blue things are kind. If Fiona is young and Fiona is blue then Fiona is big. All kind, green things are red. White things are young.
Erin is not young.