couple at a dinner table.
A large party sits at the dinner table
A couple cannot be a large party
exists x1 x2 x3.(a_topic(x1) & at(x1,x2) & n_table(x2) & of(x2,x3) & n_dinner(x3) & n_couple(x1))
exists e1 s1 x1 x2 x3.(n_table(x2) & of(x2,x3) & n_dinner(x3) & at(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_party(x1) & a_large(s1) & Theme(s1,x1))