What color do you think the animal that the animal is to the left of is?
The horse is brown.
     src        edge_attr  dst
0      0   to the left of   20
1      0   to the left of    9
2      0  to the right of   29
3      0  to the right of   25
4      0   to the left of    6
..   ...              ...  ...
224   30   to the left of    6
225   30   to the left of    5
226   30  to the right of    7
227   30  to the right of   11
228   30   to the left of   22

[229 rows x 3 columns]