A man with a blue lanyard building a sand sculpture.
A man is stomping on sand castles.
sculpture and castles are different things
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_build(e1) & n_sculpture(x4) & of(x4,x5) & n_sand(x5) & (x2 = x3) & n_lanyard(x2) & a_blue(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_castle(x2) & of(x2,x3) & n_sand(x3) & Actor(e1,x1) & v_stomp(e1) & n_man(x1))