Two boys in blue shirts are doing funny poses.
Two girls sit for the camera.
There can be either two boys or two girls.
exists e1 s1 s2 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & n_pose(x3) & a_funny(s2) & Theme(s2,x3) & in(x1,x2) & n_shirt(x2) & a_blue(s1) & Theme(s1,x2) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_camera(x2) & for(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & card_eq_2(x1))