What animal is the fence behind of?
The fence is behind the dog.
    src        edge_attr  dst
0     0           behind    7
1     2  to the right of    5
2     4   to the left of    8
3     5   to the left of    2
4     6               on    7
5     6   to the left of   10
6     7      in front of   10
7     7          wearing    6
8     8  to the right of    4
9    10           behind    7
10   10  to the right of    6