A BMXer is getting high air off this ramp in the forest.
A BMX rider hits a dirt ramp and does a trick.
It doesn't specify that it is a dirt ramp.  Getting high air doesn't necessarily mean that the rider did a trick.
exists e1 s1 x1 x2 x3 x4.(n_forest(x4) & n_ramp(x3) & in(e1,x4) & off(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_air(x2) & a_high(s1) & Theme(s1,x2) & ne_org_bmxer(x1))
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x7) & Actor(e2,x5) & v_do(e2) & n_trick(x7) & n_rider(x5) & (x5 = x6) & ne_org_bmx(x6) & Theme(e1,x3) & Actor(e1,x1) & v_hit(e1) & n_ramp(x3) & of(x3,x4) & n_dirt(x4) & n_rider(x1) & (x1 = x2) & ne_org_bmx(x2))