Two boys are swimming underwater with a woman in the background.
The boys are holding their breath.
If they are swimming underwater, they would have to be holding their breath.
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 e1 x1 x2.(n_breath(x2) & of(x2,x1) & n_thing(x1) & n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1))