Many people wearing blue jackets are marching down a street.
Many people are wearing jackets on a street marching in a parade.
Marching down the street would not automatically be marching in a parade.
exists e1 e2 s1 x1 x2 x3 x4.(down(e2,x4) & n_street(x4) & Actor(e2,x1) & v_march(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_jacket(x3) & a_blue(s1) & Theme(s1,x3) & (x1 = x2) & n_people(x1) & n_quantity(x1))
exists e1 e2 x1 x2 x3 x4 x5.(Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & in(e1,x5) & n_parade(x5) & Actor(e1,x4) & v_march(e1) & (x2 = x4) & on(x2,x3) & n_street(x3) & n_jacket(x2) & n_people(x1) & n_quantity(x1))