There are two workers, one on a ladder, against a blue wall with a yellow-and-black stripe.
One worker is on a ladder against a wall while the other worker is not
"Two workers, one on a ladder" shows that one worker is on a ladder.
exists p1 s1 s2 x1 x2 x3.(against(p1,x2) & with(x2,x3) & n_stripe(x3) & a_yellow-and-black(s2) & Theme(s2,x3) & n_wall(x2) & a_blue(s1) & Theme(s1,x2) & exists x4 x5 x6.((x1 = x4) & rel(x4,x5) & on(x5,x6) & n_ladder(x6) & n_thing(x5) & card_eq_1(x5) & n_worker(x4) & card_eq_2(x4)))
exists p1 p2 x1.(exists s1.(Theme(s1,x1) & a_not(s1)) & -(x1 = x1) & n_worker(x1) & n_worker(x1) & while(p1,p2) & exists x2 x3.(on(x1,x2) & against(x2,x3) & n_wall(x3) & n_ladder(x2)) & card_eq_1(x1))