premise:  Cayla was running in the park one day when she fell to the grass. She tried to stand back up but the world around her was spinning. She started to cry and her mom ran to her to care for her. She told her mom everything was spinning and they went to the ER. The ER Doctor diagnosed Cayla with having vertigo.
hypothesis:  Cayla and her mum went to the park ends before she went to the ER. 