Is the calm water high or low?
The water is high.
   src        edge_attr  dst
0    0          wearing    4
1    0               in    2
2    0      in front of    2
3    2           behind    0
4    5  to the right of    6
5    5  to the right of    7
6    6   to the left of    5
7    7   to the left of    5