What animals are in front of the forest?
The animals are elephants.
    src        edge_attr  dst
0     0   to the left of    2
1     1   to the left of    9
2     1  to the right of   19
3     2  to the right of   13
4     2  to the right of    0
5     3      in front of   16
6     4  to the right of   19
7     4  to the right of    6
8     5           behind   13
9     5  to the right of   15
10    6   to the left of    4
11    6   to the left of    8
12    6               of   13
13    7  to the right of   19
14    8   to the left of   17
15    8  to the right of    6
16    8  to the right of   19
17    9  to the right of   13
18    9  to the right of    1
19   10               of   13
20   10   to the left of   20
21   11  to the right of   13
22   12            below   13
23   13   to the left of   11
24   13   to the left of   17
25   13      in front of    5
26   13             near   14
27   13   to the left of    2
28   13   to the left of   20
29   13   looking toward   12
30   13   to the left of    9
31   14             near   13
32   15   to the left of    5
33   17  to the right of    8
34   17  to the right of   13
35   19   to the left of    7
36   19               of   13
37   19   to the left of    8
38   19   to the left of    4
39   19   to the left of    1
40   20  to the right of   10
41   20  to the right of   13