Are there either fences or cows?
Yes, there is a cow.
    src        edge_attr  dst
0     0   to the left of   14
1     0   to the left of   12
2     0          wearing   10
3     0  to the right of    2
4     0   to the left of    9
5     0   to the left of    8
6     1  to the right of   12
7     1  to the right of    9
8     1  to the right of   14
9     2   to the left of    0
10    2   to the left of   10
11    2   to the left of    4
12    4  to the right of    5
13    4  to the right of    7
14    4   to the left of    9
15    4   to the left of   14
16    4  to the right of    2
17    5   to the left of    4
18    5   to the left of   14
19    6   to the left of   11
20    6   to the left of    8
21    7   to the left of    4
22    8  to the right of    6
23    8  to the right of    0
24    9  to the right of    0
25    9   to the left of    1
26    9  to the right of    4
27    9  to the right of   10
28   10   to the left of   14
29   10   to the left of   12
30   10   to the left of    9
31   10  to the right of    2
32   11  to the right of    6
33   12               on   13
34   12  to the right of   10
35   12  to the right of    0
36   12   to the left of    1
37   14  to the right of   10
38   14  to the right of    0
39   14   to the left of    1
40   14  to the right of    5
41   14  to the right of    4