Are there any fences or birds in the picture?
Yes, there is a bird.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of   11
2     0   to the left of    4
3     2   to the left of    5
4     2  to the right of    0
5     2   to the left of    6
6     3               on   10
7     3   to the left of    5
8     4   to the left of    5
9     4  to the right of    0
10    4   to the left of    6
11    5  to the right of   11
12    5  to the right of    4
13    5  to the right of    3
14    5  to the right of    2
15    6  to the right of    4
16    6  to the right of    2
17    6  to the right of   11
18    7  to the right of   13
19    8  to the right of   12
20    9  to the right of   12
21   11   to the left of    5
22   11   to the left of    6
23   11  to the right of    0
24   12   to the left of    8
25   12   to the left of    9
26   13   to the left of    7