A snowboarder is in midair doing a trick.
A snowboarder is doing a 360 flip.
A snowboarder can be midair doing a trick that is not a 360 flip.
exists p1 x1.(exists e1 x2 x3 x4.(in(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_do(e1) & n_trick(x4) & (x2 = x3) & n_midair(x2)) & n_snowboarder(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_flip(x2) & card_eq_360(x2) & n_snowboarder(x1))