A man is using the stick thing to control the clown puppet.
The man who pulls the strings.
Just because the man is using the stick thing to control the clown puppet, does not necessarily imply he pulls the strings.
exists e1 p1 s1 x1 x2 x3 x4.(n_puppet(x4) & a_clown(s1) & Theme(s1,x4) & n_thing(x2) & of(x2,x3) & n_stick(x3) & Theme(e1,p1) & Recipient(e1,x2) & Actor(e1,x1) & v_use(e1) & exists e2.(Theme(e2,x4) & Actor(e2,x1) & v_control(e2)) & n_man(x1))
exists e1 x1 x2 x3.(n_string(x3) & n_man(x1) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_pull(e1) & (x1 = x2))