A snowboarder is doing a handstand with his board in the air on a slope.
A snowboarder shows off some tricks on the slopes
If there is a snowboarder doing a handstand then there is a snowboarder showing off some tricks.
exists e1 x1 x2 x3 x4 x5.(n_air(x4) & on(e1,x5) & n_slope(x5) & in(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & with(x2,x3) & n_board(x3) & of(x3,x1) & n_male(x1) & n_handstand(x2) & n_snowboarder(x1))
exists e1 s1 x1 x2 x3.(n_slope(x3) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & on(x2,x3) & n_trick(x2) & n_snowboarder(x1))