a bmx rider gets a lot of air.
A person is wearing a helmet going over a ramp.
It is not sure he wears a helmet and it is a ramp
exists e1 x1 x2 x3 x4.(Theme(e1,x3) & Actor(e1,x1) & v_get(e1) & of(x3,x4) & n_air(x4) & n_lot(x3) & n_rider(x1) & of(x1,x2) & n_bmx(x2))
exists e1 e2 x1 x2 x3 x4.(Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & over(e1,x4) & n_ramp(x4) & Actor(e1,x3) & v_go(e1) & (x2 = x3) & n_helmet(x2) & n_person(x1))