Two Asians engage in a staring contest while they wait for the train.
Nobody is staring.
Nobody is different than two asians.
exists e2 e1 p1 x1 x2 x3.(n_train(x3) & ne_nam_asians(x1) & card_eq_2(x1) & exists e3.(for(e3,x3) & Actor(e3,x2) & v_wait(e3)) & n_thing(x2) & while(e1,p1) & in(e1,x2) & n_contest(x2) & Actor(e2,x2) & v_stare(e2) & Actor(e1,x1) & v_engage(e1))
-exists e1 x1.(Actor(e1,x1) & v_stare(e1) & n_person(x1))