Charlie is cold. Charlie is kind. Charlie is quiet. Charlie is round. Charlie is smart. Fiona is not cold. Fiona is kind. Fiona is quiet. Fiona is rough. Fiona is round. Fiona is smart. Fiona is young. Gary is cold. Gary is not kind. Gary is round. If Fiona is kind then Fiona is quiet. Rough people are young. All rough people are smart. Cold, round people are quiet. Rough people are round. Smart people are rough. If Charlie is not quiet then Charlie is cold. If someone is not round then they are not smart.
Gary is smart.