Dave is furry. Dave is kind. Dave is quiet. Dave is rough. Dave is not round. Dave is smart. Dave is white. If someone is not smart then they are not kind. If someone is white and not smart then they are furry. If someone is round then they are white. Quiet, furry people are kind. If someone is round and rough then they are not furry. If Dave is not smart and Dave is not furry then Dave is quiet. If someone is not kind and not white then they are round. If someone is not quiet then they are not white.
Dave is smart.