A man and woman sitting at a table talking.
A husband and wife sitting outside talking.
The man and woman are not necessarily husband and wife.
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & at(e1,x4) & Actor(e2,x5) & v_talking(e2) & (x4 = x5) & n_table(x4) & Actor(e1,x3) & v_sit(e1) & (s1 = x3) & n_woman(x2) & n_man(x1) & subset_of(x2,s1) & subset_of(x1,s1))
exists e2 e1 s1 x1 x2 x3 x4.(a_topic(s1) & outside(e1,e2) & Actor(e2,x4) & v_talking(e2) & n_thing(x4) & Actor(e1,x3) & v_sit(e1) & (s1 = x3) & n_wife(x2) & n_husband(x1) & subset_of(x2,s1) & subset_of(x1,s1))