Does the bear near the tree look black?
Yes, the bear is black.
     src        edge_attr  dst
0      0  to the right of   22
1      0  to the right of   20
2      0  to the right of   24
3      1   to the left of   12
4      1   to the left of   11
..   ...              ...  ...
141   25   to the left of   18
142   25   to the left of   22
143   25   to the left of    2
144   25  to the right of   17
145   25               on   23

[146 rows x 3 columns]