A group of black children posing for the camera.
The children are singing
Singing is not required while posing.
exists e1 s1 x1 x2 x3 x4.(n_camera(x4) & a_topic(x1) & of(x1,x2) & for(e1,x4) & Actor(e1,x3) & v_pose(e1) & (x2 = x3) & n_child(x2) & a_black(s1) & Theme(s1,x2) & n_group(x1))
exists e1 x1.(n_child(x1) & Actor(e1,x1) & v_sing(e1))