old man pushing a cart in street.
Old man pushing a shopping cart to his home.
An old man pushing a cart is not necessarily pushing a shopping cart and not necessarily to his home.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_street(x4) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_cart(x3) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & to(e1,x5) & n_home(x5) & of(x5,x1) & n_male(x1) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_cart(x3) & of(x3,x4) & n_shopping(x4) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))