Two men, each with a small child on their backs, walk on a paved road.
The men are fathers.
Not all men are fathers.
exists x1 x4.(a_topic(x1) & all x2.(n_thing(x2) -> exists s1 s2 x3 x5 x6.(rel(x1,x2) & with(x2,x3) & rel(x3,x5) & on(x5,x6) & n_road(x6) & a_paved(s2) & Theme(s2,x6) & n_walk(x5) & on(x3,x4) & n_child(x3) & a_small(s1) & Theme(s1,x3))) & n_back(x4) & of(x4,x1) & n_thing(x1) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_father(x2)))