A pregnant woman is sitting at a table with a man.
the wife and husband discuss baby names.
The fact that a pregnant woman is sitting at a table with a man doesn't imply that they are wife and husband and they discuss baby names.
exists e1 s1 x1 x2 x3.(with(e1,x3) & n_man(x3) & at(e1,x2) & n_table(x2) & Actor(e1,x1) & v_sit(e1) & n_woman(x1) & a_pregnant(s1) & Theme(s1,x1))
exists e1 x1 x2 x3 x4 x5.(n_husband(x3) & n_wife(x2) & subset_of(x3,x1) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x1) & v_discuss(e1) & n_name(x4) & of(x4,x5) & n_baby(x5))