Workers constructing a temporary structure.
Construction workers are doing a job
Construction worker is a very specific profession and other types of workers can put up structures.
exists e1 s1 x1 x2.(ne_nam_workers(x1) & Theme(e1,x2) & Actor(e1,x1) & v_construct(e1) & n_structure(x2) & a_temporary(s1) & Theme(s1,x2))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_do(e1) & n_job(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))