Young boy sliding down a slide.
boy riding on a slide in a playground
Young boy sliding down a slide does not mean that he is riding on a slide in a playground
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & a_down(s2) & Manner(e1,s2) & Theme(e1,x3) & Actor(e1,x2) & v_slide(e1) & n_slide(x3) & (x1 = x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & in(x3,x4) & n_playground(x4) & n_slide(x3) & n_riding(x1) & of(x1,x2) & n_boy(x2))