Is there a fence next to the train tracks?
Yes, there is a fence next to the train tracks.
    src        edge_attr  dst
0     0   to the left of   13
1     0   to the left of   11
2     0               on   12
3     0   to the left of    3
4     0   to the left of    1
..  ...              ...  ...
82   13   to the left of    4
83   13   to the left of    6
84   13   to the left of    1
85   13  to the right of    2
86   13  to the right of    0

[87 rows x 3 columns]