A boat is illuminated at night.
A huge boat.
The boat may not necessarily be a huge one.
exists e1 x1 x2.(at(e1,x2) & n_night(x2) & Theme(e1,x1) & v_illuminate(e1) & n_boat(x1))
exists s1 x1.(a_topic(x1) & n_boat(x1) & a_huge(s1) & Theme(s1,x1))