Two mechanics examining the engine of a stock car with the body raised.
Two mechanics are working on a 1965 Mustang.
Not every mechanic who examines a car is working on it, and not every stock care is a 1965 Mustang.
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(n_body(x6) & n_engine(x3) & a_topic(x1) & with(e1,x6) & Theme(e2,x7) & v_raise(e2) & (x6 = x7) & Theme(e1,x3) & Actor(e1,x2) & v_examine(e1) & of(x3,x4) & n_car(x4) & of(x4,x5) & n_stock(x5) & (x1 = x2) & n_mechanic(x1) & card_eq_2(x1))
exists e1 x1 x2.(on(e1,x2) & n_mustang(x2) & n_date(x2) & a_date_year_1965(x2) & a_date_year_1965(x2) & Actor(e1,x1) & v_work(e1) & n_mechanic(x1) & card_eq_2(x1))