Is the color of the graffiti black?
Yes, the graffiti is black.
     src        edge_attr  dst
0      0  to the right of   15
1      0  to the right of   17
2      0  to the right of   16
3      0  to the right of   14
4      0  to the right of   10
..   ...              ...  ...
102   19  to the right of   10
103   19  to the right of   18
104   19  to the right of   16
105   19  to the right of   15
106   19  to the right of   14

[107 rows x 3 columns]