Two construction workers in orange vests doing their job.
The people are resting on the grass.
People cannot be doing their jobs while resting on the grass simultaneously.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(x1,x3) & Theme(e1,x6) & Actor(e1,x5) & v_do(e1) & n_job(x6) & of(x6,x1) & n_thing(x1) & (x3 = x5) & n_vest(x3) & of(x3,x4) & n_orange(x4) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))
exists e1 x1 x2.(n_grass(x2) & n_people(x1) & on(e1,x2) & Actor(e1,x1) & v_rest(e1))