These are some very large onions.
Various sized onions are laying on a counter.
Not all very large onions are of various sized.
exists p1 x1.(n_thing(x1) & exists s1 x2.((x1 = x2) & n_onion(x2) & a_large(s1) & Theme(s1,x2) & r_very(x2)))
exists e1 s1 s2 x1 x2.(on(e1,x2) & n_counter(x2) & Actor(e1,x1) & v_lay(e1) & n_onion(x1) & a_sized(s2) & Theme(s2,x1) & a_various(s1) & Theme(s1,x1))