Which color is the cloudy sky?
The sky is dark.
    src        edge_attr  dst
0     0  to the right of   12
1     0   to the left of   11
2     0  to the right of   14
3     0  to the right of   13
4     0    standing near   17
..  ...              ...  ...
56   19   to the left of    5
57   21   to the left of    2
58   21   to the left of    9
59   22  to the right of    4
60   22  to the right of   10

[61 rows x 3 columns]