What is the name of the white vegetables?
The vegetables are onions.
   src        edge_attr  dst
0    0  to the right of    2
1    0  to the right of    1
2    0   to the left of    4
3    1   to the left of    0
4    1  to the right of    2
5    2   to the left of    0
6    2   to the left of    1
7    4  to the right of    0
8    5  to the right of    8
9    8   to the left of    5