A red plane flying over a boat as it trails pink smoke.
A plane sky writes over a lake.
Just because the plane is trailing pink smoke, does not mean that it sky writes. Just because it flies over a boat, does not mean that the plane is over a lake.
exists e1 p1 s1 x1 x2 x3.(a_topic(x1) & exists e2 s2 x4.(Theme(e2,x4) & Actor(e2,x1) & v_trail(e2) & n_smoke(x4) & a_pink(s2) & Theme(s2,x4)) & n_thing(x1) & as(e1,p1) & over(e1,x3) & n_boat(x3) & Actor(e1,x2) & v_fly(e1) & (x1 = x2) & n_plane(x1) & a_red(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(over(e1,x3) & n_lake(x3) & Actor(e1,x1) & v_write(e1) & n_sky(x1) & of(x1,x2) & n_plane(x2))