Two little boys at a water fountain.
There is kids near the water fountain.
Little boys are kids.
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 p1 x1 x3 x4.(n_fountain(x3) & of(x3,x4) & n_water(x4) & exists x2.((x1 = x2) & near(x2,x3) & n_kid(x2)))