Which color is the calm water?
The water is brown.
    src        edge_attr  dst
0     0               of    3
1     0  to the right of    3
2     1               in    8
3     3   to the left of    0
4     3            below    7
5     4     flying above    3
6     4               in    8
7     4   to the left of    8
8     7        flying in    8
9     7   to the left of    8
10    7            above    3
11    8  to the right of    7
12    8  to the right of    4