Which kind of animal is in the water?
The animal is an elephant.
    src        edge_attr  dst
0     0  to the right of   17
1     0  to the right of   16
2     0               in   20
3     1  to the right of   11
4     1  to the right of   12
5     1  to the right of   19
6     1               in   20
7     2               in   20
8     2   to the left of   11
9     4               in   20
10    4         drinking   20
11    6        on top of    5
12    7               in   20
13    8               in   20
14    8  to the right of   13
15    8  to the right of   10
16    9         crossing   20
17    9               in   20
18   10               in   20
19   10   to the left of    8
20   11  to the right of    2
21   11  to the right of   15
22   11   to the left of    1
23   11   to the left of   12
24   12  to the right of   19
25   12  to the right of   11
26   12   to the left of    1
27   12  to the right of   15
28   12               in   20
29   13   to the left of    8
30   14               in   20
31   15   to the left of   12
32   15   to the left of   11
33   15               in   20
34   16               in   20
35   16   to the left of    0
36   16   to the left of   17
37   17   to the left of    0
38   17  to the right of   16
39   18               in   20
40   19   to the left of   12
41   19               in   20
42   19   to the left of    1