A light brown and white dog walks on a thin railing.
The dog is outside.
All railings are not outside, therefore we cannot infer the dog is outside.
exists e1 s1 s2 s3 x1 x2 x3 x4.(on(e1,x4) & n_railing(x4) & a_thin(s3) & Theme(s3,x4) & Actor(e1,x1) & v_walk(e1) & n_dog(x3) & a_white(s2) & Theme(s2,x3) & n_brown(x2) & subset_of(x3,x1) & subset_of(x2,x1) & a_light(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_outside(s1))