Dog looking at food being held by person.
A dog waiting for it's food from it's owner.
A person near a dog does not imply ownership and the person having food does not mean it's the dog's food.
exists e1 e2 x1 x2 x3 x4.(ne_nam_dog(x1) & at(e1,x2) & Actor(e2,x4) & n_person(x4) & Theme(e2,x3) & v_hold(e2) & (x2 = x3) & n_food(x2) & Actor(e1,x1) & v_look(e1))
exists e1 p1 x1 x2.(exists p2 x3 x4.((x1 = x3) & exists x5.((x4 = x5) & n_owner(x5)) & (x3 = x4) & from(x3,x1) & n_food(x3)) & n_thing(x1) & n_thing(x1) & for(e1,x1) & Actor(e1,x2) & v_wait(e1) & (x1 = x2) & n_dog(x1))