A young boy is walking towards a seagull on the shoreline of a beach.
A boy walks towards a sandcastle.
A seagull isn't a sandcastle.
exists e1 s1 x1 x2 x3 x4.(n_shoreline(x3) & towards(e1,x2) & on(x2,x3) & of(x3,x4) & n_beach(x4) & n_seagull(x2) & Actor(e1,x1) & v_walk(e1) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(towards(e1,x2) & n_sandcastle(x2) & Actor(e1,x1) & v_walk(e1) & n_boy(x1))