A construction worker in a white shirt walking towards a fence.
A construction worker is at a job site
The man may not be at a job site.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x3) & towards(e1,x5) & n_fence(x5) & Actor(e1,x4) & v_walk(e1) & (x3 = x4) & n_shirt(x3) & a_white(s1) & Theme(s1,x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists p1 x1 x2.(exists x3 x4.(at(x1,x3) & n_site(x3) & of(x3,x4) & n_job(x4)) & n_worker(x1) & of(x1,x2) & n_construction(x2))