What kind of animal is the fence around of?
The fence is around the cow.
    src        edge_attr  dst
0     0   to the left of    8
1     1  to the right of    7
2     2   to the left of    6
3     2  to the right of    5
4     4           around   10
5     4           around    7
6     4           around    8
7     5   to the left of    2
8     5   to the left of    6
9     5   to the left of   11
10    6  to the right of    2
11    6  to the right of   11
12    6  to the right of    5
13    7   to the left of    1
14    7   to the left of    8
15    8  to the right of    7
16    8  to the right of    0
17   11   to the left of    6
18   11  to the right of    5