Workers in hard hats and orange vests laying cement tiles over the floor.
Workers are working with cement tiles.
Laying cement tiles is a way of working with cement tiles.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_floor(x9) & a_topic(x1) & in(x1,x2) & subset_of(x4,x2) & over(e1,x9) & Theme(e1,x7) & Actor(e1,x6) & v_lay(e1) & n_tile(x7) & of(x7,x8) & n_cement(x8) & (x4 = x6) & n_vest(x4) & of(x4,x5) & n_orange(x5) & subset_of(x3,x2) & n_hat(x3) & a_hard(s1) & Theme(s1,x3) & n_worker(x1))
exists e1 x1 x2 x3.(with(e1,x2) & n_tile(x2) & of(x2,x3) & n_cement(x3) & Actor(e1,x1) & v_work(e1) & n_worker(x1))