Two women talk and laugh while people walk by.
Two ladies enjoy a chat while people pass by them.
Women talk and laugh means that ladies enjoy a chat and walk is same as pass
(-x)
exists e1 p1 x1 x2.(exists e2 x3.(by(e2,x1) & Actor(e2,x3) & v_pass(e2) & n_people(x3)) & n_thing(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_chat(x2) & n_lady(x1) & card_eq_2(x1))