Please choose the correct ending to complete the given sentence: Building sandcastles: A child brings in water from the ocean in a bucket. A woman is making sand castles. a boy

Ending1: climbs onto the sand castles. Ending2: helps the man carry the sand castle out into the ocean. Ending3: pours a lot of water into the sand. Ending4: makes a city from stones.

Answer format: ending1/ending2/ending3/ending4