A kid is skateboarding on a handrail.
The kid is about to fall.
You can not infer the kid will fall.
exists e1 x1 x2.(on(e1,x2) & n_handrail(x2) & Actor(e1,x1) & v_skateboard(e1) & n_kid(x1))
exists p1 s1 x1.(n_kid(x1) & Topic(s1,p1) & Actor(s1,x1) & a_about(s1) & exists e1.(Actor(e1,x1) & v_fall(e1)))