A collection of vegetables sit in baskets.
There are only fruits.
A collection of vegetables cannot be made of only fruits.
exists e1 x1 x2 x3.(in(e1,x3) & n_basket(x3) & Actor(e1,x1) & v_sit(e1) & of(x1,x2) & n_vegetable(x2) & n_collection(x1))
exists p1 s1 x1.(a_only(s1) & Manner(p1,s1) & exists x2.((x1 = x2) & n_fruit(x2)))