What type of food is the meat on?
The meat is on the sandwich.
    src         edge_attr  dst
0     0                in    1
1     1              with    3
2     1       filled with    9
3     1              with    5
4     1              with    2
5     1              with    4
6     1                on    6
7     1              with    7
8     1              with    9
9     1              with   10
10    1              with   11
11    2                on    1
12    2    to the left of    5
13    3                on    1
14    3    to the left of    5
15    4                on    1
16    4                on    8
17    4         on top of    8
18    5                on    1
19    5   to the right of    3
20    5   to the right of    2
21    5   to the right of   11
22    7              with   10
23    7         on top of    1
24    8  on the bottom of    1
25    8              with   11
26    9                in    1
27    9                on    1
28   10                on    7
29   10                on    1
30   11                on    8
31   11    to the left of    5
32   11                on    1