Construction workers in front of blue wall with warning stripe.
Construction workers are on lunch break at a site.
Workers in front of blue wall with warning stripe does not necessarily imply the workers are on lunch break and does not necessarily imply they are at a site.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x3) & of(x3,x4) & with(x4,x5) & n_stripe(x5) & Actor(e1,x5) & v_warn(e1) & n_wall(x4) & a_blue(s1) & Theme(s1,x4) & n_front(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists p1 x1 x2 x3.(at(p1,x3) & n_site(x3) & exists x4 x5.(on(x1,x4) & n_break(x4) & of(x4,x5) & n_lunch(x5)) & n_worker(x1) & of(x1,x2) & n_construction(x2))