Two workers working on the gulf.
Dozens of laborers raise the final pieces of machinery into place.
The two workers can't be dozens of laborers.
exists e1 x1 x2.(n_gulf(x2) & on(e1,x2) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4 x5.(n_piece(x3) & a_final(s1) & Theme(s1,x3) & into(e1,x5) & n_place(x5) & Theme(e1,x3) & Actor(e1,x1) & v_raise(e1) & of(x3,x4) & n_machinery(x4) & of(x1,x2) & n_laborer(x2) & n_dozen(x1))