Are there any dogs?
Yes, there is a dog.
    src        edge_attr  dst
0     1  to the right of   12
1     1   to the left of    4
2     2  to the right of   12
3     3   to the left of   10
4     3  to the right of   12
5     4  to the right of   13
6     4  to the right of   11
7     4  to the right of    1
8     5       sitting on   13
9     5       sitting on    1
10    5  to the right of   12
11    5   to the left of   10
12    7  to the right of   12
13    8  to the right of   12
14   10  to the right of    3
15   10               in   15
16   10  to the right of    5
17   11   to the left of    4
18   11  to the right of   12
19   12   to the left of    7
20   12   to the left of    5
21   12   to the left of   13
22   12   to the left of   14
23   12   to the left of   11
24   12   to the left of    8
25   12   to the left of    1
26   12   to the left of    2
27   12   to the left of    3
28   12   to the left of   15
29   13  to the right of   12
30   13   to the left of    4
31   14  to the right of   12
32   15  to the right of   12