A rollerblader riding a handrail.
A rollerblader is outside.
A rollerblader riding a handrail implies that he is outside
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_handrail(x3) & (x1 = x2) & n_rollerblader(x1))
exists s1 x1.(Theme(s1,x1) & a_outside(s1) & n_rollerblader(x1))