What animals are wet?
The animals are elephants.
    src        edge_attr  dst
0     1               by    6
1     1           behind    2
2     1  to the right of   12
3     2               in    6
4     3   to the left of    9
5     3   to the left of   13
6     3   to the left of   11
7     4   to the left of   13
8     4   to the left of    9
9     5   to the left of    9
10    5   to the left of   13
11    5               in    6
12    7   to the left of    8
13    7   to the left of    9
14    7  to the right of   12
15    7   to the left of   13
16    8  to the right of    7
17    8  to the right of   12
18    9  to the right of    3
19    9               in    6
20    9  to the right of    4
21    9  to the right of    5
22    9  to the right of    7
23   11  to the right of    3
24   12   to the left of    8
25   12   to the left of    7
26   12   to the left of    1
27   12   to the left of   13
28   13  to the right of    4
29   13  to the right of    5
30   13  to the right of   12
31   13  to the right of    7
32   13  to the right of    3