A kid is skateboarding on a handrail.
The kid stands next to the handrail.
The kid cannot be standing next to a handrail that he is skateboarding on
exists e1 x1 x2.(on(e1,x2) & n_handrail(x2) & Actor(e1,x1) & v_skateboard(e1) & n_kid(x1))
exists e1 x1 x2.(n_handrail(x2) & n_kid(x1) & to(e1,x2) & r_next(e1) & Actor(e1,x1) & v_stand(e1))