A man is reading a small book.
The man is reading about cars.
The book could be on a topic other than cars.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_book(x2) & a_small(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1 x2.(n_man(x1) & about(e1,x2) & n_car(x2) & Actor(e1,x1) & v_read(e1))