What are the animals behind the fence on the right side?
The animals are cows.
     src        edge_attr  dst
0      0   to the left of   14
1      0   to the left of    2
2      0   to the left of   11
3      1  to the right of   19
4      2   to the left of    9
..   ...              ...  ...
109   18   to the left of   14
110   18   to the left of   13
111   19   to the left of    1
112   19   to the left of   15
113   19   to the left of    4

[114 rows x 3 columns]