A little boy plays a homemade drum while two other boys stand behind him looking at the camera.
a young musician performs for friends
Boys stand behind a boy that plays a drum does not imply the boy plays for his friends.
exists e2 e1 p1 s1 x1 x2 x3 x5.(n_camera(x5) & exists e3 e4 x4.(for(e3,e4) & at(e4,x5) & Actor(e4,x4) & v_look(e4) & behind(e3,x1) & Actor(e3,x4) & v_stand(e3) & -(x4 = x1) & n_boy(x4) & card_eq_2(x4)) & n_male(x1) & n_boy(x1) & n_boy(x1) & while(e2,p1) & Actor(e2,x1) & v_drum(e2) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_homemade(x3) & (x1 = x2) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(for(e1,x2) & n_friend(x2) & Actor(e1,x1) & v_perform(e1) & n_musician(x1) & a_young(s1) & Theme(s1,x1))