Two people looking at each other, a third person is not attentive.
Two brothers are having a staring contest.
Just because two people are looking at each other does not mean they are having a staring contest.
exists s1 x1.(-exists e1 s2 x2 x3.(rel(s2,x2) & all x4.(n_other(x4) -> at(e1,x4)) & Actor(e1,x3) & v_look(e1) & (x2 = x3) & n_people(x2) & card_eq_2(x2) & Theme(s2,x1) & a_attentive(s2)) & n_person(x1) & a_third(s1) & Theme(s1,x1))
exists e2 e1 x1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_have(e2) & n_contest(x2) & Actor(e1,x2) & v_stare(e1) & n_brother(x1) & card_eq_2(x1))