Are there any hot dogs on the bun?
Yes, there is a hot dog on the bun.
   src        edge_attr  dst
0    0  to the right of    3
1    1  to the right of    3
2    1  to the right of    2
3    2               on    7
4    2   to the left of    1
5    3   to the left of    0
6    3   to the left of    1
7    7             with    2