Is the fence gray or is it red?
The fence is gray.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    4
2     0               in    1
3     0  to the right of   20
4     0   to the left of    5
..  ...              ...  ...
94   28   to the left of    4
95   28  to the right of   29
96   29   to the left of   17
97   29   to the left of   28
98   29  to the right of   14

[99 rows x 3 columns]