Is there a helmet or a fence in the image?
Yes, there is a fence.
    src        edge_attr  dst
0     0  to the right of   13
1     1   to the left of    2
2     1               of   12
3     1  to the right of   10
4     1  to the right of    7
5     2               of   12
6     2  to the right of    1
7     2  to the right of   10
8     2  to the right of    9
9     3  to the right of    9
10    3  to the right of   14
11    4   to the left of   14
12    4   to the left of    9
13    5  to the right of   14
14    5  to the right of    9
15    6   to the left of   13
16    6   to the left of   12
17    6               of   10
18    7   to the left of    9
19    7   to the left of    1
20    7      eating from   13
21    7   to the left of   12
22    8   to the left of    9
23    8   to the left of   14
24    9   to the left of   12
25    9  to the right of    7
26    9   to the left of    5
27    9   to the left of    2
28    9  to the right of    4
29    9   to the left of    3
30    9  to the right of    8
31   10   to the left of    1
32   10  to the right of   11
33   10   to the left of   13
34   10   to the left of    2
35   10   to the left of   12
36   11   to the left of   10
37   12  to the right of   10
38   12  to the right of    6
39   12  to the right of    7
40   12  to the right of    9
41   13   to the left of    0
42   13  to the right of   10
43   13  to the right of    6
44   14   to the left of    5
45   14  to the right of    4
46   14  to the right of    8
47   14   to the left of    3