What color is the suit?
The suit is red.
   src        edge_attr  dst
0    0  to the right of   11
1    2  to the right of   11
2    4               in    1
3    7  to the right of    9
4    8  to the right of    9
5    9   to the left of    8
6    9   to the left of    7
7   11         touching    5
8   11   to the left of    2
9   11   to the left of    0