Which kind of vegetable is on the plate?
The vegetable is parsley.
    src        edge_attr  dst
0     0               of    0
1     0               on    1
2     0   to the left of    3
3     2  to the right of    5
4     2   to the left of    3
5     2               on    1
6     3  to the right of    4
7     3  to the right of    2
8     3  to the right of    0
9     4  to the right of    5
10    4   to the left of    3
11    5   to the left of    4
12    5   to the left of    2
13    6               on    1
14    7               on    1
15    8               on    1