What kind of food is not burnt?
The food is pepperoni.
    src        edge_attr  dst
0     0               on    7
1     1               on    7
2     1               on    8
3     2   to the left of    3
4     2               of    7
5     2   to the left of    8
6     2   to the left of    9
7     3  to the right of    2
8     3               on    7
9     4               on    7
10    5             with    6
11    6               on    5
12    7             with    7
13    7               in   11
14    7               on    7
15    7               on    2
16    8  to the right of    2
17    9  to the right of    2
18   10               on    7