Bob is red. Bob is not young. Charlie is kind. Charlie is young. Fiona is big. Fiona is kind. Fiona is red. Fiona is rough. Fiona is round. Harry is big. Harry is kind. Harry is young. All young people are rough. If someone is round then they are furry. If someone is big and round then they are red. All young, rough people are round. If someone is furry then they are big. If Fiona is kind and Fiona is not round then Fiona is young.
Charlie is round.