Snowboarder jumps off rail over snowpile.
A snowboarder is doing stunts over the rail.
Jumping off a rail is a stunt. Snowboarders jump off rail over snowpile is a stunt
exists e1 s1 x1 x2 x3.(ne_nam_snowboarder(x1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & over(x2,x3) & n_snowpile(x3) & n_rail(x2))
exists e1 x1 x2 x3.(n_rail(x3) & over(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_stunt(x2) & n_snowboarder(x1))