What color is the small cow?
The cow is black.
     src        edge_attr  dst
0      0   to the left of   21
1      0   to the left of   23
2      0  to the right of   11
3      0   to the left of   12
4      0   to the left of   15
..   ...              ...  ...
178   25               on   19
179   26  to the right of    4
180   26   to the left of   14
181   26  to the right of   21
182   26  to the right of   23

[183 rows x 3 columns]