A man with a red shirt is watching another man who is standing on top of a attached cart filled to the top.
A produce vendor is watched by a health department worker.
Not all health department workers wear red shirts. It can't be assumed someone standing on top of a attached cart filled to the top is a produce worker.
exists e3 e4 e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(Theme(e4,x8) & Actor(e4,x1) & v_attached(e4) & to(e3,x6) & n_top(x6) & n_top(x6) & Theme(e3,x9) & v_fill(e3) & (x8 = x9) & n_cart(x8) & with(x1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_watch(e2) & on(e1,x6) & of(x6,x7) & n_a(x7) & Actor(e1,x5) & v_stand(e1) & (x4 = x5) & n_man(x4) & -(x4 = x1) & n_man(x1) & n_man(x1) & (x2 = x3) & n_shirt(x2) & a_red(s1) & Theme(s1,x2))
exists p1 x1.(a_topic(x1) & exists e1 x2 x3 x4 x5.(Actor(e1,x3) & n_worker(x3) & of(x3,x5) & n_department(x5) & of(x3,x4) & n_health(x4) & Theme(e1,x2) & v_watch(e1) & n_vendor(x2)) & that(x1,p1) & n_produce(x1))