A rider of a dirt bike is midair.
A bike rider is driving through a tunnel.
The bike would not be in midair and driving through a tunnel simultaneously.
exists p1 x1 x2 x3.(exists x4.((x1 = x4) & n_midair(x4)) & of(x1,x2) & n_bike(x2) & of(x2,x3) & n_dirt(x3) & n_rider(x1))
exists e1 x1 x2 x3.(through(e1,x3) & n_tunnel(x3) & Actor(e1,x1) & v_drive(e1) & n_rider(x1) & of(x1,x2) & n_bike(x2))