What color is the hair?
The hair is black.
    src        edge_attr  dst
0     0   to the left of    5
1     0   to the left of    3
2     0   to the left of   11
3     0   to the left of    2
4     0   to the left of   16
..  ...              ...  ...
75   19   to the left of   17
76   19   to the left of   20
77   20  to the right of   19
78   20  to the right of    3
79   20   to the left of    7

[80 rows x 3 columns]