Is there a fence or a bird in this photo?
Yes, there is a bird.
    src        edge_attr  dst
0     0  to the right of    3
1     2               of    1
2     3   to the left of   12
3     3   to the left of    0
4     3  to the right of   17
..  ...              ...  ...
60   17   to the left of    4
61   17   to the left of   10
62   18   to the left of    4
63   18   to the left of   12
64   18   to the left of   10

[65 rows x 3 columns]