A group of girls were playing jump-rope when a couple of boys ran in and grabbed their rope yelling, "You can't catch us!" The girls laughed and gave chase, retrieving the rope—to the delight of both the boys and girls. This is an example of which of the following?1. Dale, who is 6 2. Marianna, who is 6 3. Dudley, who is 7 4. Kirsten, who is 8