A man on a dirt bike is flying through the air.
The man is riding his dirt bike.
The man flying through the air implies he must be riding the dirt bike.
exists e1 x1 x2 x3 x4.(n_air(x4) & through(e1,x4) & Actor(e1,x1) & v_fly(e1) & on(x1,x2) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & n_man(x1))
exists e1 x1 x2 x3.(n_bike(x2) & of(x2,x3) & n_dirt(x3) & of(x2,x1) & n_male(x1) & n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1))