A man carrying a backpack on his back walks in a large field of grass.
A person is carrying books to the library.
We son't know if the backpack in full of books nor if the man is going to the library.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6.(in(e2,x5) & of(x5,x6) & n_grass(x6) & n_field(x5) & a_large(s1) & Theme(s1,x5) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_carry(e1) & on(x3,x4) & n_back(x4) & of(x4,x1) & n_male(x1) & n_backpack(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2 x3.(n_library(x3) & to(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_book(x2) & n_person(x1))