What kind of food is on the napkin?
The food is a sandwich.
    src        edge_attr  dst
0     0               on   12
1     0  to the right of    6
2     0  to the right of    7
3     0  to the right of   11
4     1               on    9
5     1          between    9
6     1               on    4
7     2               on   12
8     3   to the left of    7
9     3   to the left of    6
10    4             with    9
11    4               on   12
12    4             with    1
13    4               on    5
14    4             with    8
15    6  to the right of    3
16    6   to the left of    0
17    6   to the left of    7
18    6   to the left of   11
19    7   to the left of    0
20    7  to the right of    3
21    7  to the right of    6
22    7   to the left of   11
23    8               on    9
24    8               on    4
25    9             with    1
26   10               on   12
27   11  to the right of    7
28   11  to the right of    6
29   11   to the left of    0