What is the depth of the water?
The water is deep.
    src    edge_attr  dst
0     0           of    5
1     4           on    5
2     4           in    5
3     5         near    8
4     5        below    4
5     6        below   11
6     6           on   10
7     6  in front of    7
8     7       behind    6
9     8         near    5
10   10           of    5