Please choose the correct ending to complete the given sentence: Kite flying: A kite is being flown in a desert. several people

Ending1: are sitting on the back of the kite flying. Ending2: are on top of the kite on a rock, flying it. Ending3: are standing around watching it. Ending4: are preparing to fly the kite.

Answer format: ending1/ending2/ending3/ending4