Erin is furry. Erin is quiet. Erin is red. Fiona is furry. Gary is blue. Harry is kind. Harry is not red. All round things are furry. If something is furry then it is round. If something is not kind then it is round. Kind things are not furry. All quiet things are blue. If something is quiet and not blue then it is red. If something is red and not blue then it is not furry. If something is not kind and not red then it is round.
Gary is not furry.