Dave is cold. Dave is furry. Dave is quiet. Dave is red. Dave is rough. Dave is round. Dave is young. If someone is round then they are young. If someone is red and furry then they are round. Quiet people are young. Quiet, furry people are red. If someone is not cold then they are furry. If Dave is not quiet then Dave is not red. If someone is not furry then they are rough. If someone is cold and not round then they are rough.
Dave is round.