What happens next in this paragraph?

Two young girls are at a beach making sand castles. the two kids
Select from:
(1). makes a wall around the castle and put it in the grass with a large bucket.
(2). talk and walk towards a water and a cameraman come running to capture them.
(3). then are standing at the shore playing in the water.
(4). are waiting for a boat to get tossed.
(3).