Street vendors make sales on the sidewalk while cars pass on the busy city streets beside them.
Vendors are working hard on a busy street.
From the view of vendors sitting on sidewalk it cannot be said they are working hard
exists e1 p1 s1 x1 x2 x3 x4 x6 x7.(n_thing(x4) & n_street(x6) & of(x6,x7) & n_city(x7) & a_busy(s1) & Theme(s1,x6) & n_sidewalk(x4) & exists e2 x5.(beside(e2,x4) & on(e2,x6) & Actor(e2,x5) & v_pass(e2) & n_car(x5)) & while(e1,p1) & on(e1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_make(e1) & n_sale(x3) & n_vendor(x1) & (x1 = x2) & ne_per_street(x2))
exists e1 s1 s2 x1 x2.(a_hard(s2) & Manner(e1,s2) & on(e1,x2) & n_street(x2) & a_busy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_work(e1) & n_vendor(x1))