A snowboarder does a trick on a half pipe.
The snowboarder is competing in the Winter Olympics.
A snowboarder does a trick on a half pipe does not mean he is competing in the Winter Olympics
exists e1 x1 x2 x3 x4.(on(e1,x3) & n_pipe(x3) & of(x3,x4) & n_half(x4) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & n_trick(x2) & n_snowboarder(x1))
exists e1 x1 x2 x3.(ne_geo_olympics(x2) & (x2 = x3) & ne_geo_winter(x3) & n_snowboarder(x1) & in(e1,x2) & Actor(e1,x1) & v_compete(e1))