Four laughing women sitting around a dining table.
The laughing women are not enjoying themselves.
The women cannot be laughing if they aren't enjoying themselves.
exists e1 e2 x1 x2 x3 x4.(a_topic(x1) & around(e2,x3) & n_table(x3) & of(x3,x4) & n_dining(x4) & Actor(e2,x2) & v_sit(e2) & (x1 = x2) & n_woman(x1) & Actor(e1,x1) & v_laugh(e1) & card_eq_4(x1))
exists x1 x2 x3.(n_group(x3) & n_woman(x1) & of(x1,x2) & n_laughing(x2) & -exists e1.(Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1)))