A man is servicing a truck.
A man's truck has broken down
A man can service a truck that has not broken down.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_service(e1) & n_truck(x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_break(e1) & n_thing(x3) & n_truck(x2) & of(x2,x1) & n_man(x1))