Two women talk and laugh while people walk by.
Two women catching up at lunch.
The two women aren't necessarily at lunch and they may or  may not be catching up.
(-x)
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_up(s1) & Manner(e1,s1) & at(e1,x3) & n_lunch(x3) & Actor(e1,x2) & v_catch(e1) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))