The language and rhetoric used in the text can help to determine the narrator's knowledge and attitude toward the event/s, and the pronouns used (whether it is first or third person ('I/Me/My' versus 'His/Hers/Theirs')) can determine point of view. Therefore, all of these answers are correct.
I like swimming with my sister in the pool. I enjoy swimming to the bottom and touching the pool floor. I enjoy floating from the bottom to the top of the pool. We also like doing flips into the pool.
