Two people getting married.
Two people have known each other a long time.
Sentence 1 does not indicate whether the Two people have known each other a long time.
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.(all x2.(n_other(x2) -> exists e1 s1 x3.(n_time(x3) & a_long(s1) & Theme(s1,x3) & Time(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_know(e1))) & n_people(x1) & card_eq_2(x1))