What kind of animal is in front of the trees?
The animals are elephants.
    src        edge_attr  dst
0     1  to the right of   10
1     1   to the left of    8
2     1  to the right of   15
3     1  to the right of   12
4     3   to the left of    8
5     4   to the left of    8
6     4               of    1
7     4  to the right of   15
8     5               on    0
9     6   to the left of   11
10    7           behind   15
11    7               by   15
12    8  to the right of    4
13    8  to the right of    3
14    8  to the right of    1
15    9   to the left of   10
16    9           behind   14
17    9   to the left of   15
18   10   to the left of    1
19   10   to the left of   12
20   10  to the right of    9
21   11  to the right of    6
22   12  to the right of   10
23   12   to the left of    1
24   13             near   15
25   14             near   15
26   14      in front of    9
27   15               by   14
28   15             near   13
29   15             near   14
30   15      in front of    7
31   15   to the left of    4
32   15  to the right of    9
33   15               by   13
34   15               in    2
35   15   to the left of    1
36   16               by   13