What is the color of the sky?
The sky is blue.
     src        edge_attr  dst
0      0  to the right of   23
1      0   to the left of   15
2      0   to the left of    6
3      0   to the left of    1
4      0   to the left of   10
..   ...              ...  ...
163   25   to the left of    7
164   25   to the left of   21
165   27  to the right of    8
166   27  to the right of   14
167   27  to the right of   22

[168 rows x 3 columns]