What is in the sky?
The clouds are in the sky.
    src        edge_attr  dst
0     1   to the left of    8
1     1               on    2
2     2      in front of    4
3     2               in   11
4     2         stuck in   11
5     2               on    6
6     2  to the right of    5
7     2   to the left of    4
8     2   to the left of    3
9     3               in   11
10    3  to the right of    2
11    3      in front of   11
12    4  to the right of    2
13    5   to the left of    2
14    5   to the left of    8
15    5               on    2
16    7               in   12
17    8               on    2
18    8  to the right of    5
19    8  to the right of    1
20    9               on    2
21    9   to the left of   10
22   10               on    2
23   10  to the right of    9