A young boy wearing a black shirt and brown pants practices jumping over a low bar on a skateboard.
A young boy practicing for the olympics
A young boy practicing on his skateboard is not necessarily practicing for the olympics.
exists e2 e1 s1 s2 s3 s4 x1 x2 x3 x4 x5 x6.(on(e2,x6) & n_skateboard(x6) & over(e2,x5) & n_bar(x5) & a_low(s4) & Theme(s4,x5) & Actor(e2,x3) & v_jump(e2) & n_practice(x3) & of(x3,x4) & n_pants(x4) & a_brown(s3) & Theme(s3,x3) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2) & a_black(s2) & Theme(s2,x2) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists s1 x1 x2 x3.(n_olympics(x3) & a_topic(x1) & for(x1,x3) & n_practicing(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))