A young boy at a skate park is flying high on his bike while using no hands!
A boy is practicing for a bike competition.
The fact that the boy is on his bike while using no hands does not necessarily imply he is practicing for a bike competition.
exists e1 p1 s1 x1 x2 x3 x4.(-exists e2 x5.(while(e1,e2) & Theme(e2,x5) & Actor(e2,x1) & v_use(e2) & n_hand(x5)) & on(e1,x4) & n_bike(x4) & of(x4,x1) & n_male(x1) & exists s2.(Theme(s2,x1) & a_high(s2)) & Topic(e1,p1) & Actor(e1,x1) & v_fly(e1) & at(x1,x2) & n_park(x2) & of(x2,x3) & n_skate(x3) & n_boy(x1) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(for(e1,x2) & n_competition(x2) & of(x2,x3) & n_bike(x3) & Actor(e1,x1) & v_practice(e1) & n_boy(x1))