Children are under a large fountain in the city.
Children play in a fountain at a city park.
NOt all fountains are in a park.
exists p1 x1 x3.(n_city(x3) & exists s1 x2.(under(x1,x2) & in(x2,x3) & n_fountain(x2) & a_large(s1) & Theme(s1,x2)) & n_child(x1))
exists x1 x2 x3 x4 x5.(a_topic(x1) & at(x1,x4) & n_park(x4) & of(x4,x5) & n_city(x5) & in(x1,x3) & n_fountain(x3) & n_play(x1) & (x1 = x2) & ne_nam_children(x2))