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

A man is sitting on a couch drinking a beer. He stands up and walks out the door. Someone is walking into a kitchen. they

Available choices:
1). open the fridge and get a beer.;
2). dip a rag into a bucket of water.;
3). start polishing the shoes of the man.;
4). are in front of counter.;
The answer is:
1).