What is the vegetable on the food that is topped with vegetables?
The vegetable is a tomato.
    src        edge_attr  dst
0     0               in    2
1     0  to the right of    5
2     1  to the right of    5
3     3               on    4
4     4      topped with    1
5     4             with    5
6     4            above    6
7     5               on    4
8     5   to the left of    0
9     5   to the left of    1
10    6               on    8
11    6            under    4
12    7               on    8