A boy jumping onto a sled.
A boy rides a sled.
The boy is either jumping onto a sled or he rides a sled.
exists e1 x1 x2 x3.(a_topic(x1) & onto(e1,x3) & n_sled(x3) & Actor(e1,x2) & v_jump(e1) & (x1 = x2) & n_boy(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_sled(x2) & n_boy(x1))