What is the color of the sky?
The sky is gray.
    src        edge_attr  dst
0     2  to the right of    9
1     2  to the right of    8
2     2  to the right of   11
3     2   to the left of   13
4     2   to the left of    3
..  ...              ...  ...
59   13  to the right of    9
60   13  to the right of    4
61   13  to the right of    2
62   13  to the right of    5
63   13   to the left of    3

[64 rows x 3 columns]