a young man wearing a backpack and sunglasses is walking towards a shopping area.
Two ducks quacking at each other
A young man walking cannot also be two ducks quacking as the number, species and actions are all different.
exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7.(towards(e2,x6) & n_area(x6) & of(x6,x7) & n_shopping(x7) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_sunglass(x5) & subset_of(x4,x3) & n_backpack(x4) & (x1 = x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(a_topic(x1) & all x3.(n_other(x3) -> at(e1,x3)) & Actor(e1,x2) & v_quack(e1) & (x1 = x2) & n_duck(x1) & card_eq_2(x1))