Several construction workers are working in a hole.
The workers are in a hole
If the workers are working in a hole then they are in fact in a hole; all information can be inferred.
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_hole(x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & a_several(s1) & Theme(s1,x1))
exists p1 x1.(n_worker(x1) & exists x2.(in(x1,x2) & n_hole(x2)))