Which kind of fast food are the peppers on?
The peppers are on the pizza.
    src        edge_attr  dst
0     0               on   10
1     1               in    4
2     2               on    7
3     2   to the left of    4
4     3               on   10
5     3   to the left of    5
6     4  to the right of    2
7     4               on    7
8     5  to the right of    3
9     5               on   10
10    6               on   10
11    8               on    7
12    9               on   10
13   10             with    3
14   10             with    9
15   10             with    6
16   10               on    8
17   10             with    5
18   11               of   10