What is the color of the uniform?
The uniform is gray.
     src        edge_attr  dst
0      0  to the right of   27
1      0  to the right of   18
2      0  to the right of   20
3      0  to the right of    6
4      0  to the right of   16
..   ...              ...  ...
135   29  to the right of    6
136   29  to the right of    8
137   30  to the right of   10
138   30  to the right of   27
139   30  to the right of   20

[140 rows x 3 columns]