Four people are on a red bridge with a pipe going across it, some walking while some stand in place.
There are four construction workers working on a bridge.
One cannot assume that the four people are construction workers working on a bridge.
exists p1 x1.(exists e1 s1 x2 x3 x4 x5 x6 x7 x8.(on(x1,x2) & with(x2,x3) & in(e1,x8) & n_place(x8) & while(e1,x7) & n_stand(x7) & across(e1,x5) & subset_of(x6,x5) & n_walking(x6) & subset_of(x1,x5) & Actor(e1,x4) & v_go(e1) & (x3 = x4) & n_pipe(x3) & n_bridge(x2) & a_red(s1) & Theme(s1,x2)) & n_thing(x1) & n_people(x1) & card_eq_4(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & on(e1,x5) & n_bridge(x5) & Actor(e1,x4) & v_work(e1) & (x2 = x4) & n_worker(x2) & of(x2,x3) & n_construction(x3) & card_eq_4(x2))