This is a test of commonsense with single/multi-choices. Complete the next sentence:

A camera pans around a large warehouse and shows clips of materials being made and men working. Machinery is shown pushing materials along while people watch on the sides. more products for homes

OPTIONS: i. are then shown as well as the man working with a bucket cutting and polishing the furniture. ii. are shown followed by the men bending over to remove pieces of pavement. iii. are being pushed out and a machinery is shown carrying them away. iv. are shown as well as a man vacuuming and installing furniture.
The answer is:
iii.