Two automobiles race each other and pour smoke from behind.
Two cars speed down the freeway
Racing does not imply to speed down the freeway.
exists s1 s2 x1 x2.(a_topic(s1) & subset_of(x1,s1) & from(x1,x2) & n_behind(x2) & n_smoke(x1) & a_pour(s2) & Theme(s2,x1) & all x3.(n_other(x3) -> exists x4 x5.(subset_of(x4,s1) & for(x4,x3) & n_race(x4) & of(x4,x5) & n_automobile(x5) & card_eq_2(x4))))
exists e1 s1 x1 x2.(n_freeway(x2) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_speed(e1) & n_car(x1) & card_eq_2(x1))