Two men in coats are talking under an umbrella.
Two men sit at their desks.
If one is under an umbrella, odds are they are not sitting at desks.
exists e1 x1 x2 x3.(under(e1,x3) & n_umbrella(x3) & Actor(e1,x1) & v_talk(e1) & in(x1,x2) & n_coat(x2) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(at(e1,x2) & n_desk(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))