A person wheeling a stack of boxes on a dolly down a street.
The person pushing the dolly works for UPS.
Not every person wheeling boxes on a dolly works for UPS.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_wheel(e1) & of(x3,x4) & down(x4,x6) & n_street(x6) & on(x4,x5) & n_dolly(x5) & n_box(x4) & n_stack(x3) & (x1 = x2) & n_person(x1))
exists e2 e1 x1 x2 x3 x4.(ne_org_ups(x4) & n_dolly(x3) & n_person(x1) & for(e2,x4) & Actor(e2,x1) & v_work(e2) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & (x1 = x2))