Which color is that sweater, brown or green?
The sweater is brown.
   src        edge_attr  dst
0    0  to the right of    1
1    0  to the right of    5
2    1  to the right of    4
3    1   to the left of    0
4    1  to the right of    5
5    4   to the left of    1
6    4   to the left of    5
7    5   to the left of    0
8    5   to the left of    1
9    5  to the right of    4