Two people looking a piece of paper standing on concrete.
Two construction workers are looking at plans for their project.
People looking at a piece of paper are not always construction workers looking at plans.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & of(x1,x4) & on(x4,x6) & n_concrete(x6) & n_standing(x4) & of(x4,x5) & n_paper(x5) & n_piece(x3) & Time(e1,x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(at(e1,x3) & for(x3,x4) & n_project(x4) & of(x4,x1) & n_thing(x1) & n_plan(x3) & Actor(e1,x1) & v_look(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2) & card_eq_2(x1))