An impromptu toast among friends.
A group of women doing housework.
Doing housework does not occur while a toast among friends takes place.
exists s1 x1 x2.(a_topic(x1) & among(x1,x2) & n_friend(x2) & n_toast(x1) & a_impromptu(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_housework(x4) & (x2 = x3) & n_woman(x2) & n_group(x1))