A woman looking at boxes of food in crates.
The woman is looking for cereal.
Looking at boxes of food in crates doesn't necessarily imply someone is looking for cereal.
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 e1 x1 x2.(n_woman(x1) & for(e1,x2) & n_cereal(x2) & Actor(e1,x1) & v_look(e1))