Two men, one working and one resting on a rooftop.
There are men on the roof.
The men on the roof are in fact the two men working and/or resting on the roof.
exists x1 x2 x3 x4.(a_topic(x1) & rel(x1,x2) & on(x2,x4) & n_rooftop(x4) & n_rest(x2) & card_eq_1(x2) & card_eq_1(x2) & of(x2,x3) & n_working(x3) & n_man(x1) & card_eq_2(x1))
exists p1 x1 x3.(n_roof(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_man(x2)))