What color is the cloudy sky?
The sky is dark.
    src        edge_attr  dst
0     0  to the right of    2
1     0  to the right of   18
2     0  to the right of    4
3     0  to the right of   10
4     1  to the right of   10
..  ...              ...  ...
56   18   to the left of    1
57   18   to the left of    0
58   18  to the right of    4
59   18   to the left of    9
60   18  to the right of   10

[61 rows x 3 columns]