The skateboarder jumps over the ramp.
person skateboarding
Skateboarding is different way to say skateboarder jumps.
exists e1 x1 x2.(n_ramp(x2) & n_skateboarder(x1) & over(e1,x2) & Actor(e1,x1) & v_jump(e1))
exists x1 x2.(a_topic(x1) & Time(x1,x2) & n_skateboarding(x2) & n_person(x1))