A boy in a sweatshirt raking leaves into a pile.
A boy iceskates on a frozen pond.
Not all boys raking leaves into a pile iceskates on a frozen pond.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & into(e1,x5) & n_pile(x5) & Theme(e1,x4) & Actor(e1,x3) & v_rake(e1) & n_leaf(x4) & (x2 = x3) & n_sweatshirt(x2) & n_boy(x1))
exists e1 s1 x1 x2.(on(e1,x2) & n_pond(x2) & a_frozen(s1) & Theme(s1,x2) & Actor(e1,x1) & v_iceskate(e1) & n_boy(x1))