Do you see any bicycles or fences there?
Yes, there is a fence.
    src        edge_attr  dst
0     0  to the right of   14
1     0  to the right of    9
2     0           behind   14
3     0  to the right of    7
4     2   to the left of    4
5     2  to the right of   12
6     3               of    7
7     3  to the right of   16
8     4  to the right of    2
9     4  to the right of    7
10    4  to the right of    6
11    4  to the right of   14
12    5   to the left of    9
13    5  to the right of   13
14    6   to the left of    4
15    7      in front of   14
16    7   to the left of    0
17    7          holding   12
18    7      in front of   13
19    7   to the left of    4
20    7  to the right of   13
21    7          wearing   17
22    9   to the left of    0
23    9  to the right of   12
24    9  to the right of    5
25   12   to the left of    9
26   12   to the left of    2
27   12   to the left of   14
28   12  to the right of   13
29   13           behind    7
30   13   to the left of    5
31   13   to the left of   12
32   13   to the left of    7
33   14      in front of    0
34   14  to the right of   12
35   14   to the left of    0
36   14           behind    7
37   14   to the left of    4
38   16   to the left of    3
39   16               of    7