Is the dark water below the sky?
Yes, the water is below the sky.
    src        edge_attr  dst
0     0               on    6
1     1               on    6
2     2            below    8
3     2      in front of    7
4     2            below    7
5     3               by    2
6     3   to the left of    5
7     3   to the left of    4
8     3   to the left of   10
9     4               on    2
10    4  to the right of    7
11    4  to the right of    9
12    4  to the right of    3
13    5               on    4
14    5  to the right of    3
15    6  to the right of    7
16    7           behind    2
17    7   to the left of    4
18    7   to the left of    6
19    9   to the left of    4
20   10  to the right of    3