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

The interior of a building is shown, then a man and woman appear. They are speaking to each other. they

Select from:
[1]. then display lip lips and boots.;
[2]. then begin to dance, twirling and swirling and leaning against each other.;
[3]. continue to fly kites and dance with the wind.;
[4]. continue talking about animations then they disappear.;
The answer is:
[2].