A man on a bike just hit a dirt ramp and is midair.
A man is riding a bike.
For the bike to be in midair, there has to be a rider.
exists e1 p1 s1 x1 x2 x3 x4 x5 x6.(exists x7.((x5 = x7) & n_midair(x7)) & on(x5,x6) & n_bike(x6) & n_man(x5) & a_just(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_hit(e1) & n_ramp(x3) & of(x3,x4) & n_dirt(x4) & on(x1,x2) & n_bike(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & n_man(x1))