What is the meat that is brown called?
The meat is a burger.
   src        edge_attr  dst
0    0  to the right of    2
1    1   to the left of    3
2    2   to the left of    4
3    2   to the left of    3
4    2   to the left of    0
5    3  to the right of    1
6    3  to the right of    2
7    4  to the right of    2