Which color is the water?
The water is blue.
    src        edge_attr  dst
0     0   to the left of    1
1     0   to the left of    3
2     1  to the right of    8
3     1  to the right of    4
4     1  to the right of    0
5     3  to the right of    8
6     3  to the right of    0
7     4   to the left of    1
8     6   to the left of   12
9     8      approaching    9
10    8          holding    4
11    8         carrying    4
12    8       walking in    9
13    8          wearing    0
14    8             with    4
15    8   to the left of    3
16    8   to the left of    1
17    8               in    9
18   12  to the right of    6