What is the color of the sky?
The sky is dark.
     src        edge_attr  dst
0      0               on   29
1      0               on   25
2      0      standing on   29
3      0   to the left of    6
4      0  to the right of   12
..   ...              ...  ...
162   30  to the right of    3
163   30  to the right of    7
164   30  to the right of    8
165   30  to the right of    9
166   30  to the right of   17

[167 rows x 3 columns]