What is the sauce on top of the food the bun is with?
The sauce is ketchup.
    src        edge_attr  dst
0     0        on top of    1
1     0  to the right of    3
2     2  to the right of    8
3     3   to the left of    0
4     4        on top of    7
5     5        on top of    7
6     5        on top of    6
7     6             with    7
8     7             with    5
9     7           inside    6
10    7        on top of    6
11    7             with    4
12    8   to the left of    2