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