What color is the onion, yellow or red?
The onion is yellow.
   src        edge_attr  dst
0    0  to the right of    7
1    1  to the right of    3
2    2               on    4
3    3   to the left of    7
4    3   to the left of    1
5    5               of    3
6    7  to the right of    8
7    7  to the right of    3
8    7   to the left of    0
9    8   to the left of    7