Is there any surfer in the calm water?
No, there is a boat in the water.
   src        edge_attr  dst
0    1          next to    3
1    1             near    3
2    3  to the right of    4
3    3             near    1
4    4               in    0
5    4   to the left of    3
6    4   to the left of    8
7    4  to the right of    7
8    7   to the left of    4
9    8  to the right of    4