A girl is performing a skateboarding maneuver.
A girl is skateboarding.
The girl is probably skateboarding while performing a skateboarding maneuver.
exists e2 e1 x1 x2.(Theme(e2,x2) & Actor(e2,x1) & v_perform(e2) & n_maneuver(x2) & Actor(e1,x2) & v_skateboard(e1) & n_girl(x1))
exists e1 x1.(Actor(e1,x1) & v_skateboard(e1) & n_girl(x1))