What color is the hair?
The hair is gray.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of    9
2     0   to the left of    8
3     1   to the left of   18
4     2               on    3
..  ...              ...  ...
90   20  to the right of    2
91   21  to the right of    9
92   21   to the left of   11
93   21   to the left of    7
94   21   to the left of    8

[95 rows x 3 columns]