Is there either a ball or a fence in this photo?
Yes, there is a fence.
    src        edge_attr  dst
0     0  to the right of   17
1     1  to the right of   17
2     2  to the right of   10
3     3  to the right of   13
4     3  to the right of   14
5     5   to the left of   16
6     5  to the right of   17
7     6  to the right of   13
8     6  to the right of   14
9     7  to the right of   14
10    7  to the right of   13
11    9       growing on   11
12   10   to the left of    2
13   10   to the left of   15
14   11  to the right of   14
15   11  to the right of   13
16   12  to the right of   17
17   12   to the left of   16
18   13   to the left of    7
19   13   to the left of   11
20   13   to the left of    6
21   13   to the left of    3
22   14   to the left of    7
23   14   to the left of   11
24   14   to the left of    3
25   14  to the right of   15
26   14   to the left of    6
27   15   to the left of   14
28   15  to the right of   10
29   16  to the right of    5
30   16  to the right of   12
31   17   to the left of    1
32   17   to the left of   12
33   17   to the left of    5
34   17   to the left of    0