What animal is the tree branch behind of?
The tree branch is behind the elephant.
    src        edge_attr  dst
0     0   to the left of    1
1     0  to the right of    7
2     0   to the left of    2
3     0               of    4
4     1           behind    4
5     1  to the right of    0
6     2  to the right of    4
7     2  to the right of    0
8     2           behind    4
9     2  to the right of    5
10    4      in front of    2
11    4   to the left of    2
12    4      in front of    1
13    5  to the right of    6
14    5               of    4
15    5  to the right of    7
16    5   to the left of    2
17    6   to the left of    5
18    6  to the right of    7
19    7   to the left of    6
20    7   to the left of    5
21    7   to the left of    0
22    7               of    4