Is there a bus near the black fence?
Yes, there is a bus near the fence.
    src        edge_attr  dst
0     0   to the left of   11
1     0   to the left of   15
2     0   to the left of   14
3     1   to the left of   14
4     1   to the left of   11
..  ...              ...  ...
80   20   to the left of   10
81   21   to the left of   13
82   21   to the left of   12
83   21  to the right of    8
84   21   to the left of   16

[85 rows x 3 columns]