A woman looking at boxes of food in crates.
There are boxes of food in the crates.
If the woman is looking in the crates at boxes of food, then there must be boxes of food in the crates to look at.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x3) & in(x3,x5) & n_crate(x5) & of(x3,x4) & n_food(x4) & n_box(x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_woman(x1))
exists p1 x1 x2.(n_crate(x2) & in(p1,x2) & exists x3 x4.((x1 = x3) & of(x3,x4) & n_food(x4) & n_box(x3)))