Charlie is blue. Charlie is cold. Charlie is furry. Charlie is quiet. Charlie is rough. Charlie is white. Charlie is young. Dave is not cold. Dave is not rough. Dave is white. Dave is not young. Harry is cold. Harry is furry. Harry is quiet. Harry is rough. Harry is young. All white, cold people are furry. Furry, white people are quiet. If Harry is furry then Harry is not blue. If someone is cold then they are white. Young, white people are rough. If Harry is furry and Harry is quiet then Harry is cold. If someone is not quiet then they are not cold. If someone is not white then they are rough.
Dave is quiet.