Two people are standing in front of blue construction wall barriers.
The two people are watching the workers work.
They may not be watching any workers.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x2) & of(x2,x3) & n_barrier(x3) & of(x3,x5) & n_wall(x5) & of(x3,x4) & n_construction(x4) & a_blue(s1) & Theme(s1,x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_work(x2) & of(x2,x3) & n_worker(x3) & n_people(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1))