Please choose the correct ending to complete the given sentence: Trimming branches or hedges: A man trims a large hedge with a pole trimmer. There are several close ups of the tool in action. several extensions

Ending1: are shown on the screen through the trimmer. Ending2: brush are being brushed over and over again. Ending3: are shown for it. Ending4: are used to help put the large hedge.

Answer format: ending1/ending2/ending3/ending4