Multi-choice problem: Continue writing the next sentence in this paragraph:

A woman is shown putting a long metal piece into a large machinery and the words "today's topic: welding" appears on the screen followed by a person wearing a mask and welding with a torch. a woman

Select from the following. 1. is now standing at a machine and she is grabbing various metal objects and putting them into a machine that welds them together.. 2. puts a metal rod into a welded metal one and the report is shown on the screen.. 3. runs around an area welding the metal piece making several designs on the metal piece as well as talking to the camera.. 4. is shown welding with another woman under a large metal roof and the same body of metal is shown again until what is inside of it becomes hazy..
1.