Please choose the correct ending to complete the given sentence: Building sandcastles: She then keeps adding more sand to the hill. Then a little boy joins her and just touches the hill, but walks away. he

Ending1: grabs his skateboard and skates to the end of the hill. Ending2: picks up a camera and begins filming himself. Ending3: then gets excited as he gets closer to the pile. Ending4: then comes back again to point at the hill.

Answer format: ending1/ending2/ending3/ending4