Please choose the correct ending to complete the given sentence: Doing crunches: A girl is laying on a black mat next to a swimming pool. she

Ending1: stands up and runs from the pool. Ending2: stands up and grabs a ball off of the pool. Ending3: starts doing several routines that include jumping, flips, and footwork. Ending4: starts doing sit ups on the ground.

Answer format: ending1/ending2/ending3/ending4