A variety of folks in the back of a large wagon.
Fifty clowns in a volkswagon beetle.
A large wagon is not a Volkswagon beetle.
exists s1 x1 x2 x3 x4.(n_back(x3) & a_topic(x1) & of(x1,x2) & in(x2,x3) & of(x3,x4) & n_wagon(x4) & a_large(s1) & Theme(s1,x4) & n_folk(x2) & n_variety(x1))
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x3) & n_beetle(x3) & of(x3,x4) & n_volkswagon(x4) & n_clown(x1) & (x1 = x2) & ne_nam_fifty(x2))