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

A man sits in a room in front of a flag. he

OPT:
(1). demonstrates how to write his name on the flag..
(2). is playing a black wind instrument..
(3). spreads a stain on the carpet..
(4). is playing a large keyboard with a large hollow base..
The answer is:
(2).