A girls is jumping in the sand.
A girl playing at the beach.
There is usually sand on the beach.
exists e1 x1 x2.(n_sand(x2) & in(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_girl(x1))
exists x1 x2 x3.(n_beach(x3) & a_topic(x1) & at(x1,x3) & n_playing(x1) & of(x1,x2) & n_girl(x2))