Four children with cowboy hats are sitting in the bleachers.
The children are not standing.
Children who are sitting are not standing.
exists e1 x1 x2 x3 x4.(n_bleacher(x4) & in(e1,x4) & Actor(e1,x1) & v_sit(e1) & with(x1,x2) & n_hat(x2) & of(x2,x3) & n_cowboy(x3) & n_child(x1) & card_eq_4(x1))
exists x1.(n_child(x1) & -exists e1.(Actor(e1,x1) & v_stand(e1)))