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