A young boy slides down a yellow water slide.
a boy is on a slide
A yellow water slide is a kind of slide.
exists e1 s1 s2 s3 x1 x2 x3.(a_down(s3) & Manner(e1,s3) & Theme(e1,x2) & Actor(e1,x1) & v_slide(e1) & n_slide(x2) & of(x2,x3) & n_water(x3) & a_yellow(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_slide(x2)) & n_boy(x1))