A snowboarder vaulting over a rock ridge.
snowboarder vaults over a ridge
A snowboarder is vaulting down a ridge which is rocky.
exists e1 x1 x2 x3 x4.(a_topic(x1) & over(e1,x3) & n_ridge(x3) & of(x3,x4) & n_rock(x4) & Actor(e1,x2) & v_vault(e1) & (x1 = x2) & n_snowboarder(x1))
exists x1 x2 x3.(a_topic(x1) & over(x1,x3) & n_ridge(x3) & n_vault(x1) & of(x1,x2) & n_snowboarder(x2))