A snowboarder is leaping a mogul.
The person is skateboarding.
Snowboarding and skateboarding are not the same thing.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_leap(e1) & n_mogul(x2) & n_snowboarder(x1))
exists e1 x1.(n_person(x1) & Actor(e1,x1) & v_skateboard(e1))