What is the black cow standing behind of?
The cow is standing behind the fence.
     src        edge_attr  dst
0      0  to the right of   19
1      0  to the right of    2
2      0  to the right of    1
3      0  to the right of   12
4      0  to the right of    5
..   ...              ...  ...
103   19  to the right of    9
104   19  to the right of    1
105   19   to the left of    0
106   19      standing in   16
107   19  to the right of   11

[108 rows x 3 columns]