A dirt biker is flying through the air with his motorcycle.
There is a man on his dirtbike outdoors
A dirtbiker need not necessarily be flying in the air outdoors.
exists e1 x1 x2 x3 x4.(n_motorcycle(x4) & of(x4,x3) & n_male(x3) & n_air(x3) & with(e1,x4) & through(e1,x3) & Actor(e1,x1) & v_fly(e1) & n_biker(x1) & of(x1,x2) & n_dirt(x2))
exists p1 x1 x2 x3 x4.((x1 = x2) & on(x2,x3) & n_outdoors(x3) & of(x3,x4) & n_dirtbike(x4) & of(x3,x2) & n_male(x2) & n_man(x2))