A man is servicing a truck.
A young man is servicing a old truck.
The man may not be young and the truck may not be old.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_service(e1) & n_truck(x2) & n_man(x1))
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_service(e1) & n_truck(x2) & a_old(s2) & Theme(s2,x2) & n_man(x1) & a_young(s1) & Theme(s1,x1))