+, the boys put extreme tension, then they belt each other.;
+, a girl stand facing the camera, move slowly the legs.;
+, a woman and a man join the boys to perform karate in an alternate way.;
+, the boys stand on the palms bending bent for balance.;Choose from options above and answer: What most naturally follows?

Two boys perform karate on front people stand in a circle. then
Answer:
, a woman and a man join the boys to perform karate in an alternate way.