A little boy playing with some sort of pipe.
A person is using an item.
if a person is playing with an item it means he's using it and pipe is an item.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & of(x3,x4) & n_pipe(x4) & n_sort(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_use(e1) & n_item(x2) & n_person(x1))