Which are less healthy, the candy or the bananas?
The candy are less healthy than the bananas.
   src        edge_attr  dst
0    0  to the right of    6
1    2  to the right of    5
2    3               on    1
3    4   to the left of    8
4    4               on    8
5    5   to the left of    2
6    6   to the left of    0
7    8  to the right of    4