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

The camera is blurry then focuses on people playing polo. two teams

Choose from:
[a]. play against each other.;
[b]. switch, searching and celebrating.;
[c]. play polo near one another on the field.;
[d]. are running on the field connected by a rope while people are filming on the field.;
The answer is:
[a].