What vegetable is to the right of the parsley?
The vegetable is a tomato.
    src        edge_attr  dst
0     0   to the left of    7
1     1               of    1
2     1             with   12
3     1        on top of   10
4     2  to the right of    9
5     4               on    1
6     4   to the left of    5
7     5  to the right of    4
8     7  to the right of    0
9     9   to the left of    2
10   12        on top of    1