There are people running down a hill in the city.
People are running.
People are running is a rephrasing of there are people running
exists p1 x1 x5.(n_city(x5) & exists e1 s1 x2 x3 x4.((x1 = x2) & in(e1,x5) & a_down(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x3) & v_run(e1) & n_hill(x4) & (x2 = x3) & n_people(x2)))
exists e1 x1.(Actor(e1,x1) & v_run(e1) & n_people(x1))