Four boys, one on a skateboard, one on a scooter, and two standing, are at a skate park on a ramp with a scary looking face graffiti on it.
There is a skateboard.
One of the boys is on a skateboard.
exists p1 x1 x2 x3 x4 x5 x6 x7.(exists e1 s1 x8 x9 x10 x11 x12.(at(x1,x8) & on(x8,x10) & with(x10,x11) & on(x11,x1) & n_graffitus(x11) & of(x11,x12) & n_face(x12) & Actor(e1,x11) & v_look(e1) & a_scary(s1) & Theme(s1,x11) & n_ramp(x10) & n_park(x8) & of(x8,x9) & n_skate(x9)) & n_thing(x1) & rel(x1,x2) & subset_of(x7,x2) & n_standing(x7) & card_eq_2(x7) & subset_of(x3,x2) & rel(x3,x5) & on(x5,x6) & n_scooter(x6) & n_thing(x5) & card_eq_1(x5) & on(x3,x4) & n_skateboard(x4) & n_thing(x3) & card_eq_1(x3) & n_boy(x1) & card_eq_4(x1))
exists p1 x1 x2.((x1 = x2) & n_skateboard(x2))