A dirt biker leaps through the air.
The biker is in the air.
The phrase "biker leaps through the air." is a more specific way to say "biker is in the air."
exists e1 x1 x2 x3.(n_air(x3) & through(e1,x3) & Actor(e1,x1) & v_leap(e1) & n_biker(x1) & of(x1,x2) & n_dirt(x2))
exists p1 x1 x2.(n_air(x2) & n_biker(x1) & in(x1,x2))