Does the shirt look yellow or black?
The shirt is yellow.
   src        edge_attr  dst
0    1   to the left of    7
1    1   to the left of    4
2    4  to the right of    1
3    4  to the right of    6
4    6   to the left of    7
5    6   to the left of    4
6    7  to the right of    6
7    7  to the right of    1