What is the color of the hair?
The hair is gray.
     src        edge_attr  dst
0      0             with    1
1      0  to the right of   20
2      0  to the right of   14
3      0  to the right of   26
4      0   to the left of   23
..   ...              ...  ...
166   26   to the left of    9
167   26   to the left of   20
168   26   to the left of   19
169   26   to the left of   25
170   26   to the left of   22

[171 rows x 3 columns]