A child is reading a book on a bed.
A child is enjoying a novel.
Reading a book is not necessarily enjoying a novel.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & on(x2,x3) & n_bed(x3) & n_book(x2) & n_child(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_novel(x2) & n_child(x1))