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

She is showing the bottom of the mop. A bottle of vinegar is shown on a table next to alcohol and soap. she

Available options:
1). is wiping the table with the floor mop.
2). begins mopping the hardwood floor.
3). pours the vinegar in the mop.
4). moves the mop against the wall.
The answer is:
2).