Is the hat green or black?
The hat is black.
    src        edge_attr  dst
0     0   to the left of   21
1     0  to the right of   15
2     0   to the left of   22
3     0  to the right of   11
4     0   to the left of   14
..  ...              ...  ...
90   22  to the right of   14
91   22  to the right of   12
92   22  to the right of   20
93   22  to the right of    0
94   23  to the right of   11

[95 rows x 3 columns]