What's the tomato on?
The tomato is on the bread.
    src        edge_attr  dst
0     1               on    3
1     1               on    2
2     1               on    8
3     1  to the right of    7
4     1  to the right of    6
5     2               on    3
6     2               on    8
7     5               on    3
8     6               on    8
9     6   to the left of    1
10    6             with    7
11    7               on    6
12    7   to the left of    1