On which side is the fence?
The fence is on the left of the image.
    src        edge_attr  dst
0     0   to the left of    6
1     2  to the right of   16
2     2   to the left of   15
3     2   to the left of   20
4     2   to the left of   12
5     2   to the left of    7
6     3      standing on   12
7     6  to the right of    0
8     6  to the right of   18
9     7  to the right of    2
10    7  to the right of   18
11    7  to the right of   17
12    7  to the right of   19
13   10      standing on   21
14   12          wearing    8
15   12  to the right of   17
16   12  to the right of    2
17   13       walking on   14
18   13  to the right of   16
19   13  to the right of   15
20   15  to the right of   16
21   15   to the left of   13
22   15  to the right of    2
23   16   to the left of   15
24   16   to the left of   13
25   16   to the left of    2
26   17   to the left of    7
27   17   to the left of   18
28   17   to the left of   12
29   17   to the left of   19
30   17   to the left of   20
31   18   to the left of    7
32   18   to the left of    6
33   18       sitting on   20
34   18  to the right of   17
35   19   to the left of    7
36   19  to the right of   17
37   20  to the right of    2
38   20  to the right of   17