The people are marching through the street.
People are marching.
marching through is the same as marching.
exists e1 x1 x2.(n_street(x2) & n_people(x1) & through(e1,x2) & Actor(e1,x1) & v_march(e1))
exists e1 x1.(Actor(e1,x1) & v_march(e1) & n_people(x1))