Two people getting married.
a couple marries
Two people is synonymous with a couple.
exists e1 p1 x1 x2.(a_topic(x1) & exists s1.(Theme(s1,x2) & a_marry(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_get(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists x1 x2.(a_topic(x1) & n_marry(x1) & of(x1,x2) & n_couple(x2))