A man builds a sand castle as children enjoy the sun in the background.
The people are on the beach.
Not all sand castles are built at the beach.
exists e1 p1 x1 x2 x3 x5 x6.(n_background(x6) & n_sun(x5) & exists e2 x4.(Theme(e2,x5) & Actor(e2,x4) & v_enjoy(e2) & in(x5,x6) & n_child(x4)) & as(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_castle(x2) & of(x2,x3) & n_sand(x3) & n_man(x1))
exists p1 x1 x2.(n_beach(x2) & n_people(x1) & on(x1,x2))