A skateboarder jumps another skateboard.
A skateboarder is jumping over another skateboard.
When he or she jumps something, he or she is jumping over something.
exists e1 x1 x2 x3.(n_skateboard(x2) & Theme(e1,x3) & Actor(e1,x1) & v_jump(e1) & n_skateboard(x3) & -(x3 = x2) & n_skateboarder(x1))
exists e1 s1 x1 x2 x3.(n_skateboard(x2) & a_over(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_jump(e1) & n_skateboard(x3) & -(x3 = x2) & n_skateboarder(x1))