A boy jumps off a swing on the swing set when its high enough.
The boy was going down on the slide
A swing is not a slide.
(x)
exists e1 s1 x1 x2.(n_slide(x2) & n_boy(x1) & on(e1,x2) & a_down(s1) & Manner(e1,s1) & Actor(e1,x1) & v_go(e1))