White bird walking across wet sand.
There is a bird on the beach.
A bird can be white, and a beach has wet sand.
exists s1 x1 x2 x3 x4.(a_topic(x1) & across(x1,x4) & n_sand(x4) & a_wet(s1) & Theme(s1,x4) & n_walking(x1) & of(x1,x3) & n_bird(x3) & (x1 = x2) & ne_org_white(x2))
exists p1 x1 x3.(n_beach(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_bird(x2)))