Two men sweeping in a large building with decorated walls and pillars.
janitors hard at work
It is not implied that the men sweeping are hard at work doing so.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x3) & with(x3,x4) & subset_of(x6,x4) & n_pillar(x6) & subset_of(x5,x4) & n_wall(x5) & a_decorated(s2) & Theme(s2,x5) & n_building(x3) & a_large(s1) & Theme(s1,x3) & Actor(e1,x2) & v_sweep(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists s1 x1 x2.(at(s1,x2) & n_work(x2) & Theme(s1,x1) & a_hard(s1) & n_janitor(x1))