Two Asians engage in a staring contest while they wait for the train.
Two people are angry at each other.
Not all engaged in staring competitions are angry at each other.
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 s1 x1.(all x2.(n_other(x2) -> at(s1,x2)) & Theme(s1,x1) & a_angry(s1) & n_people(x1) & card_eq_2(x1))