Two men shoveling compost.
Landscape workers hard at work.
Two men working with compost doesn't mean they are Landscape workers.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_shovel(e1) & n_compost(x3) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
exists s1 x1 x2 x3.(at(s1,x3) & n_work(x3) & Theme(s1,x1) & a_hard(s1) & n_worker(x1) & (x1 = x2) & ne_nam_landscape(x2))