What is the color of the undershirt?
The undershirt is gray.
     src        edge_attr  dst
0      0   to the left of    9
1      0  to the right of   11
2      0  to the right of   16
3      0   to the left of    7
4      0  to the right of   22
..   ...              ...  ...
144   23   to the left of   22
145   23   to the left of    7
146   23   to the left of    2
147   23   to the left of    1
148   23   to the left of    9

[149 rows x 3 columns]