Bob is furry. Bob is not white. Bob is young. Dave is blue. Dave is furry. Dave is quiet. Dave is round. Dave is not smart. Dave is young. Erin is blue. Erin is furry. Erin is not quiet. Harry is not furry. Harry is quiet. Harry is round. Harry is white. If Harry is quiet and Harry is blue then Harry is furry. All young, smart people are not white. If Dave is white and Dave is not blue then Dave is young. If Erin is young and Erin is not white then Erin is smart. If someone is round then they are quiet. If someone is smart and round then they are not quiet. If Erin is not quiet then Erin is young. If someone is not blue and not quiet then they are young.
Dave is white.