There is a woman riding a bike down the road, and she popped a wheelie.
A woman rides a bike down the hill
The road she was riding on could have been flat or uphill instead of down hill.
exists e1 p1 x1 x2 x3 x7.(n_female(x2) & n_road(x7) & Theme(e1,x3) & Actor(e1,x2) & v_pop(e1) & n_wheelie(x3) & exists e2 x4 x5 x6.((x1 = x4) & down(e2,x7) & Theme(e2,x6) & Actor(e2,x5) & v_ride(e2) & n_bike(x6) & (x4 = x5) & n_woman(x4)))
exists e1 x1 x2 x3.(n_hill(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & down(x2,x3) & n_bike(x2) & n_woman(x1))