A man is servicing a truck.
A fuel station attendant at work.
A man may not be a fuel station attendant and may not be at work.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_service(e1) & n_truck(x2) & n_man(x1))
exists x1 x2 x3 x4.(a_topic(x1) & at(x1,x4) & n_work(x4) & n_attendant(x1) & of(x1,x3) & n_station(x3) & of(x1,x2) & n_fuel(x2))