A boy with a blue shirt travels on a skateboard past a Blockbuster video store on the corner.
The boy is riding a skateboard.
a boy riding skateboard is a rephrasing of boy travels on skateboard
exists s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_corner(x8) & a_topic(x1) & with(x1,x2) & on(x2,x4) & past(x4,x5) & on(x5,x8) & n_store(x5) & of(x5,x7) & n_video(x7) & (x5 = x6) & ne_nam_blockbuster(x6) & n_skateboard(x4) & n_travels(x2) & of(x2,x3) & n_shirt(x3) & a_blue(s1) & Theme(s1,x2) & n_boy(x1))
exists e1 x1 x2.(n_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_skateboard(x2))