Are there either fences or trains in the picture?
No, there are no trains or fences.
    src        edge_attr  dst
0     0  to the right of    2
1     1  to the right of    2
2     2   to the left of    7
3     2   to the left of    1
4     2   to the left of   17
..  ...              ...  ...
70   26   to the left of   23
71   26   to the left of    3
72   26   to the left of   19
73   27  to the right of   18
74   27  to the right of   16

[75 rows x 3 columns]