Soldiers and civilians sitting at dining table.
They are preparing for a dinner at the Whitehouse.
Soldiers and civilians sitting at dining table are not necessarily preparing for a dinner at the Whitehouse.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x2,s1) & at(e1,x4) & n_table(x4) & of(x4,x5) & n_dining(x5) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_civilian(x2) & subset_of(x1,s1) & n_soldier(x1))
exists e1 x1 x2.(n_whitehouse(x2) & for(e1,x1) & at(x1,x2) & n_dinner(x1) & Actor(e1,x1) & v_prepare(e1) & n_thing(x1))