Men build castle-like sculptures out of dark sand by the shore.
The men might be at the beach
We don't know that the people are at the beach.
exists e1 s1 s2 x1 x2 x3 x4.(n_shore(x4) & by(e1,x4) & of(e1,x3) & n_sand(x3) & a_dark(s2) & Theme(s2,x3) & r_out(e1) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_sculpture(x2) & a_castle-like(s1) & Theme(s1,x2) & n_man(x1))
exists e1 p1 x1 x2.(n_beach(x2) & n_man(x1) & exists p2.at(x1,x2) & Topic(e1,p1) & Actor(e1,x1) & v_might(e1))