A snowboarder flies off a huge jump.
A snowboarder signing autographs
the snowboarder can not be signing autographs when he flies off a huge jump.
exists e1 s1 s2 x1 x2.(a_off(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_fly(e1) & n_jump(x2) & a_huge(s1) & Theme(s1,x2) & n_snowboarder(x1))
exists x1 x2 x3.(a_topic(x1) & n_autograph(x1) & of(x1,x3) & n_signing(x3) & of(x1,x2) & n_snowboarder(x2))