A man is by a shopping cart with people walking on the street.
The man is going somewhere important.
walking  doesn't always mean somewhere important.
exists p1 x1 x6.(n_street(x6) & exists e1 x2 x3 x4 x5.(by(x1,x2) & with(x2,x4) & on(e1,x6) & Actor(e1,x5) & v_walk(e1) & (x4 = x5) & n_people(x4) & n_cart(x2) & of(x2,x3) & n_shopping(x3)) & n_man(x1))
exists e1 p1 x1.(n_man(x1) & exists s1 x2.(Location(s1,x2) & n_location(x2) & Theme(s1,x1) & a_important(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_go(e1))