Two ladies are sitting and there are pulses around them.
Two ladies are sitting and talking.
Just because two ladies are sitting and there are pulses around them does not mean they are talking.
exists e1 p1 x1 x2.(exists x3.((x2 = x3) & around(x3,x1) & n_pulse(x3)) & n_thing(x1) & Actor(e1,x1) & v_sit(e1) & n_lady(x1) & card_eq_2(x1))
exists e1 e2 x1 x2.(Actor(e2,x2) & v_talk(e2) & n_lady(x2) & card_eq_2(x2) & Actor(e1,x1) & v_sit(e1) & n_lady(x1) & card_eq_2(x1))