Two ladies laughing at dinner.
Two old friends catch up at dinner.
The ladies may not be old friends.  They may laugh together but not catch up.
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_dinner(x3) & Actor(e1,x2) & v_laugh(e1) & (x1 = x2) & n_lady(x1) & card_eq_2(x1))
exists e1 s1 s2 x1 x2.(a_up(s2) & Manner(e1,s2) & at(e1,x2) & n_dinner(x2) & Actor(e1,x1) & v_catch(e1) & n_friend(x1) & a_old(s1) & Theme(s1,x1) & card_eq_2(x1))