Are there birds on the ground?
Yes, there is a bird on the ground.
    src        edge_attr  dst
0     1   to the left of   10
1     1   to the left of   11
2     1  to the right of   22
3     1   to the left of   17
4     2  to the right of   22
5     2  to the right of    8
6     5   to the left of    7
7     6  to the right of   12
8     7  to the right of    5
9     8   to the left of   15
10    8   to the left of    2
11    9  to the right of   12
12   10  to the right of    1
13   10               by   27
14   11  to the right of   13
15   11  to the right of    1
16   11  to the right of   22
17   12  to the right of   15
18   12   to the left of    9
19   12   to the left of    6
20   13   to the left of   11
21   13  to the right of   20
22   13  to the right of   22
23   14  to the right of   18
24   14  to the right of   22
25   15  to the right of   22
26   15  to the right of    8
27   15   to the left of   12
28   15   to the left of   19
29   17  to the right of    1
30   17  to the right of   22
31   18  to the right of   22
32   18   to the left of   14
33   19  to the right of   22
34   19  to the right of   20
35   19  to the right of   15
36   20  to the right of   22
37   20   to the left of   25
38   20   to the left of   13
39   20   to the left of   19
40   21  to the right of   22
41   22   to the left of   13
42   22   to the left of    1
43   22   to the left of    2
44   22   to the left of   20
45   22   to the left of   19
46   22   to the left of   11
47   22   to the left of   21
48   22   to the left of   15
49   22   to the left of   14
50   22   to the left of   18
51   22   to the left of   17
52   22   to the left of   25
53   22   to the left of   28
54   25               in    9
55   25  to the right of   22
56   25  to the right of   20
57   25               on   26
58   28  to the right of   22