BMXer in the air with motion blur on the forest background.
A biker is in the air during a trick attempt.
Just because a BMXer is in the air, does not mean the BMXer is doing a trick attempt.
exists s1 x1 x2 x3 x4 x5.(n_background(x4) & of(x4,x5) & n_forest(x5) & n_air(x1) & ne_org_bmxer(s1) & a_topic(s1) & in(s1,x1) & on(x1,x4) & with(x1,x2) & n_blur(x2) & of(x2,x3) & n_motion(x3))
exists p1 x1 x2 x3 x4.(n_air(x4) & during(p1,x2) & n_attempt(x2) & of(x2,x3) & n_trick(x3) & in(x1,x4) & n_biker(x1))