A skateboarder grinds along a pipe beneath a fire escape.
The skateboarder is wearing protective gear.
You can be a skateboarder and not be wearing protective gear.
exists e1 x1 x2 x3 x4.(beneath(e1,x3) & n_escape(x3) & of(x3,x4) & n_fire(x4) & along(e1,x2) & n_pipe(x2) & Actor(e1,x1) & v_grind(e1) & n_skateboarder(x1))
exists e1 s1 x1 x2.(n_skateboarder(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_gear(x2) & a_protective(s1) & Theme(s1,x2))