The boy is jumping a skateboard down the steps, surrounded by graffiti covered walls.
The girl is jumping a skateboard.
The boy is a different gender than the girl.
exists e3 e1 e2 x1 x2 x3 x4 x5 x6.(n_step(x3) & n_boy(x1) & down(e1,x3) & Actor(e2,x5) & n_wall(x5) & Theme(e3,x5) & v_cover(e3) & of(x5,x6) & n_graffitus(x6) & Theme(e2,x4) & v_surround(e2) & (x3 = x4) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_skateboard(x2))
exists e1 x1 x2.(n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_skateboard(x2))