Workers constructing a temporary structure.
A group of workers working.
Workers constructing are workers working.
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.(a_topic(x1) & Actor(e1,x3) & v_work(e1) & (x1 = x3) & of(x1,x2) & n_worker(x2) & n_group(x1))