Construction workers laying cement in a building.
Construction workers are working in a building.
Construction workers laying cement is the work in a building
exists e1 x1 x2 x3 x4.(in(e1,x4) & n_building(x4) & Theme(e1,x3) & Actor(e1,x1) & v_lay(e1) & n_cement(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2 x3.(in(e1,x3) & n_building(x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))