Charlie is not furry. Charlie is nice. Charlie is rough. Erin is furry. Erin is kind. Erin is rough. Erin is not round. Erin is smart. Fiona is not rough. Fiona is not round. If Erin is young and Erin is nice then Erin is not round. Young people are round. Nice people are smart. All kind people are furry. If someone is round and not nice then they are not furry. If someone is not rough then they are kind.
Charlie is not round.