Two boys looking at display.
People look at a display.
Looking refers to look at.
exists e1 x1 x2.(at(e1,x2) & n_display(x2) & Actor(e1,x1) & v_look(e1) & n_boy(x1) & card_eq_2(x1))
exists e1 x1 x2.(at(e1,x2) & n_display(x2) & Actor(e1,x1) & v_look(e1) & n_people(x1))