A little boy is riding a dirt bike with the number seven on it going down a hill.
A little boy is leading the dirt bike race.
He could be trailing others instead of leading and often the race numbers are for ascetics.
exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(n_number(x4) & card_eq_7(x4) & with(e1,x4) & a_down(s2) & Manner(e2,s2) & Theme(e2,x6) & Actor(e2,x5) & v_go(e2) & n_hill(x6) & (x4 = x5) & on(x4,x1) & n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3 x4.(n_race(x2) & of(x2,x4) & n_bike(x4) & of(x2,x3) & n_dirt(x3) & Theme(e1,x2) & Actor(e1,x1) & v_lead(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))