Which kind of vegetable is sliced?
The vegetable is peppers.
   src        edge_attr  dst
0    1  to the right of    5
1    1  to the right of    7
2    2  to the right of    5
3    2  to the right of    7
4    5   to the left of    2
5    5   to the left of    1
6    7   to the left of    2
7    7   to the left of    1