Which kind of clothing is black?
The clothing is a vest.
   src        edge_attr  dst
0    0  to the right of    3
1    2  to the right of    7
2    2  to the right of    6
3    3   to the left of    0
4    6   to the left of    7
5    6   to the left of    2
6    7  to the right of    6
7    7   to the left of    2