Two little boys at a water fountain.
The two boys are playng with the water fountain.
You can not infer they are playng.
exists s1 x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_fountain(x2) & of(x2,x3) & n_water(x3) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_fountain(x2) & of(x2,x3) & n_water(x3) & n_boy(x1) & card_eq_2(x1) & with(e1,x2) & Actor(e1,x1) & v_playng(e1))