Four kids in white karate gear doing karate poses.
The kids are black belts.
not all karate kids are black belt holders
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x5) & Actor(e1,x4) & v_do(e1) & n_pose(x5) & a_karate(s2) & Theme(s2,x5) & (x1 = x4) & in(x1,x2) & n_gear(x2) & of(x2,x3) & n_karate(x3) & a_white(s1) & Theme(s1,x2) & n_kid(x1) & card_eq_4(x1))
exists p1 x1.(n_kid(x1) & exists s1 x2.((x1 = x2) & n_belt(x2) & a_black(s1) & Theme(s1,x2)))