Are there animals in front of the tree?
Yes, there is an animal in front of the tree.
    src        edge_attr  dst
0     0           behind   10
1     0           behind    1
2     1               in    4
3     1      in front of    0
4     3   to the left of    9
5     5   to the left of    6
6     5   to the left of    9
7     6  to the right of    5
8     6   to the left of    9
9     9  to the right of    6
10    9  to the right of    5
11    9  to the right of    3
12   10               in    4
13   10      in front of    0