A teenager is riding a skateboard along side a metal fence.
A teenager runs on foot near a brick wall
Riding a skateboard and runs on foot are different actions. Metal and brick are different materials.
exists e1 x1 x2.(all x3 x4.((n_fence(x3) & of(x3,x4) & n_metal(x4)) -> exists x5.(along(e1,x5) & for(x5,x3) & n_side(x5))) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_skateboard(x2) & n_teenager(x1))
exists e1 x1 x2 x3 x4.(near(e1,x3) & n_wall(x3) & of(x3,x4) & n_brick(x4) & on(e1,x2) & n_foot(x2) & Actor(e1,x1) & v_run(e1) & n_teenager(x1))