What color are the clouds which are in the sky?
The clouds are gray.
    src        edge_attr  dst
0     0   on the side of   25
1     0               of   25
2     0  to the right of    1
3     0   to the left of   24
4     0  to the right of   15
..  ...              ...  ...
70   21   to the left of   12
71   21   to the left of   15
72   23        on top of   11
73   24               of   25
74   24  to the right of    0

[75 rows x 3 columns]