Are there any cats or dogs that are not sleeping?
No, there is a cat but it is sleeping.
   src        edge_attr  dst
0    0   to the left of   13
1    4  to the right of    9
2    4  to the right of   14
3    8  to the right of    9
4    8  to the right of   14
5    9   to the left of    4
6    9   to the left of    8
7   13  to the right of    0
8   14   to the left of    4
9   14   to the left of    8