A teenager is attempting a skateboarding trick in an urban area.
A teenager is skateboarding
the teeneager is urban
exists e1 e2 s1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_attempt(e2) & in(x2,x3) & n_area(x3) & a_urban(s1) & Theme(s1,x3) & n_trick(x2) & Actor(e1,x2) & v_skateboard(e1) & n_teenager(x1))
exists e1 x1.(Actor(e1,x1) & v_skateboard(e1) & n_teenager(x1))