Is there any fence near the cow in the middle of the picture?
Yes, there is a fence near the cow.
    src        edge_attr  dst
0     0  to the right of   11
1     0   to the left of   14
2     2  to the right of    8
3     2  to the right of    5
4     2  to the right of   11
5     2  to the right of   12
6     3            below   15
7     3          beneath   11
8     3          beneath   15
9     3            below   11
10    3  to the right of   15
11    4             near   11
12    4             near   15
13    5  to the right of   15
14    5   to the left of    8
15    5   to the left of    2
16    5   to the left of   12
17    5  to the right of    9
18    6  to the right of   12
19    6  to the right of    8
20    6  to the right of   11
21    7   to the left of   11
22    8   to the left of    2
23    8   to the left of    6
24    8  to the right of   15
25    8  to the right of    5
26    9   to the left of   11
27    9   to the left of    5
28    9   to the left of   12
29   11             near    4
30   11            above    3
31   11   to the left of    0
32   11   to the left of    2
33   11  to the right of   15
34   11   to the left of    6
35   11  to the right of    9
36   11  to the right of    7
37   11      standing in   13
38   12  to the right of    9
39   12   to the left of    6
40   12  to the right of   15
41   12  to the right of    5
42   12   to the left of    2
43   14  to the right of    0
44   15             near    4
45   15            above    3
46   15   to the left of    3
47   15   to the left of    8
48   15   to the left of   11
49   15   to the left of   12
50   15   to the left of    5
51   15      standing in   13