On which side is the black animal?
The cow is on the left of the image.
    src        edge_attr  dst
0     0   to the left of   25
1     0   to the left of    2
2     0   to the left of   22
3     1  to the right of   26
4     1   to the left of   25
..  ...              ...  ...
94   26   to the left of   10
95   26   to the left of    1
96   26   to the left of   19
97   26   to the left of   17
98   26   to the left of   18

[99 rows x 3 columns]