Two men are working together on a ladder.
one man is on a ladder
There can be either one man or two men.
exists e1 s1 x1 x2.(on(e1,x2) & n_ladder(x2) & a_together(s1) & Manner(e1,s1) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_ladder(x2)) & n_man(x1) & card_eq_1(x1))