What is the food that the cheese is on called?
The food is a pie.
   src        edge_attr  dst
0    0               on    7
1    3  to the right of    4
2    4   to the left of    3
3    5               on    8
4    6             with   10
5    6             with    9
6    7             with    0
7    9               on    6
8   10               on    6