Three kids in a martial arts class are in a stance; each child has on a different color belt.
Three kids holds up their legs in a kicking pose.
Just because the kids form a kicking pose doesn't mean they are in a martial arts class.
exists p1 s1 x1 x2 x3.(all x5.(n_child(x5) -> exists e1 x6 x7 x8.(on(e1,x6) & -(x6 = x8) & n_belt(x8) & of(x8,x7) & n_color(x7) & n_belt(x6) & of(x6,x7) & Actor(e1,x5) & v_have(e1))) & exists x4.(in(x1,x4) & n_stance(x4)) & in(x1,x2) & n_class(x2) & of(x2,x3) & n_art(x3) & a_martial(s1) & Theme(s1,x2) & n_kid(x1) & card_eq_3(x1))
exists e1 e2 s1 x1 x2 x3 x4.(Actor(e2,x1) & v_pose(e2) & in(e1,x4) & n_kicking(x4) & a_up(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_leg(x3) & of(x3,x1) & n_thing(x1) & (x1 = x2) & n_kid(x1) & card_eq_3(x1))