What animal is in front of the tree?
The elephant is in front of the tree.
    src        edge_attr  dst
0     1  to the right of   13
1     1  to the right of    5
2     1  to the right of    6
3     2   to the left of   11
4     2   to the left of    3
5     2   to the left of   13
6     3  to the right of   17
7     3  to the right of    2
8     5  to the right of    6
9     5   to the left of    1
10    6   to the left of    5
11    6   to the left of    1
12    8           behind   19
13    8  to the right of   16
14    8  to the right of   14
15    9           behind   19
16    9  to the right of   13
17   10           behind   19
18   10  to the right of   13
19   11  to the right of   17
20   11  to the right of    2
21   13  to the right of    2
22   13   to the left of   10
23   13   to the left of    1
24   13   to the left of    9
25   14   to the left of    8
26   14   to the left of   15
27   15  to the right of   14
28   15  to the right of   16
29   16               in   18
30   16   to the left of    8
31   16   to the left of   15
32   17   to the left of    3
33   17   to the left of   11
34   19      standing in    4
35   19      in front of    8
36   19      in front of    9
37   19           eating   14