Two boys are swimming underwater with a woman in the background.
The boys and woman are in a pool.
Just because people are swimming does not mean they swim in a pool.
exists e1 x1 x2 x3 x4.(n_background(x4) & with(e1,x3) & in(x3,x4) & n_woman(x3) & Theme(e1,x2) & Actor(e1,x1) & v_swim(e1) & n_underwater(x2) & n_boy(x1) & card_eq_2(x1))
exists p1 x1 x2 x3.(n_woman(x3) & n_boy(x2) & subset_of(x3,x1) & subset_of(x2,x1) & exists x4.(in(x1,x4) & n_pool(x4)))