Charlie is round. Charlie is smart. Charlie is white. Dave is blue. Dave is smart. Fiona is cold. Fiona is quiet. Fiona is smart. Harry is cold. Harry is furry. Harry is round. Harry is white. If someone is cold and white then they are furry. All quiet, blue people are round. If Charlie is quiet then Charlie is blue. If someone is white then they are cold. If Fiona is cold and Fiona is white then Fiona is quiet. If someone is furry and smart then they are quiet. All smart, blue people are white. If someone is round and smart then they are cold. If Charlie is furry then Charlie is white.
Harry is not quiet.