A boat is illuminated at night.
The boat is out on the ocean.
The boat may not specifically be out on the ocean at all.
exists e1 x1 x2.(at(e1,x2) & n_night(x2) & Theme(e1,x1) & v_illuminate(e1) & n_boat(x1))
exists p1 s1 x1 x2.(n_ocean(x2) & n_boat(x1) & a_out(s1) & Manner(p1,s1) & on(x1,x2))