What color is the wet suit?
The wet suit is black.
    src        edge_attr  dst
0     1   to the left of   11
1     1   to the left of    3
2     3  to the right of   10
3     3  to the right of    1
4     6               on    7
5     6        riding on    7
6     9   to the left of   11
7    10   to the left of    3
8    10   to the left of   11
9    11  to the right of    1
10   11  to the right of   10
11   11  to the right of    9