Please choose the correct ending to complete the given sentence: Building sandcastles: A group of boys chisel a name in sand on the beach with their hands. the boys

Ending1: shine a worn shoe with a sand scraper. Ending2: then cut over the name with scissors. Ending3: hug each other for warmth. Ending4: leave the art piece leaving just one boy in a red t-shirt to work on it alone.

Answer format: ending1/ending2/ending3/ending4