Two naked young boys play in the water.
Two naked boys are playing water polo in the water.
It cannot be inferred that the naked boys are playing water polo.
exists e1 s1 s2 x1 x2.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_young(s2) & Theme(s2,x1) & a_naked(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_water(x3) & n_water(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_polo(x2) & of(x2,x3) & n_boy(x1) & a_naked(s1) & Theme(s1,x1) & card_eq_2(x1))