Which kind of animal is in the water?
The animal is a duck.
    src        edge_attr  dst
0     0               of    1
1     1   to the left of    5
2     1   to the left of    4
3     2               in    1
4     3               in   11
5     3               by    1
6     3  to the right of    8
7     3               on   11
8     4               in    1
9     4               in    0
10    4  to the right of    1
11    5  to the right of    1
12    6  to the right of    8
13    6               of    3
14    7               of    2
15    8           beside    1
16    8   to the left of    6
17    8   to the left of    3
18    8   to the left of   11
19    8               by    1
20   10               of    2
21   11  to the right of    8