Are there dogs or birds that are not sitting?
No, there is a dog but it is sitting.
    src        edge_attr  dst
0     0   to the left of    3
1     1  to the right of    8
2     1  to the right of   15
3     2   to the left of    6
4     2   to the left of    5
5     2   to the left of    4
6     3  to the right of    0
7     3   to the left of   12
8     4  to the right of    2
9     5  to the right of    2
10    5   to the left of   12
11    6  to the right of    2
12    8   to the left of    1
13    8  to the right of   14
14    8   to the left of   15
15    8   to the left of    9
16    9  to the right of    8
17    9  to the right of   14
18   10  to the right of   12
19   12   to the left of   10
20   12  to the right of    5
21   12  to the right of    3
22   13   to the left of   16
23   14   to the left of    8
24   14   to the left of    9
25   15   to the left of    1
26   15   to the left of   16
27   15  to the right of    8
28   16  to the right of   15
29   16  to the right of   13