What color is the hair?
The hair is brown.
    src        edge_attr  dst
0     0  to the right of    5
1     1   to the left of   10
2     2   to the left of    4
3     4  to the right of    6
4     4  to the right of    2
5     5   to the left of    0
6     6   to the left of    4
7     6               on    3
8     6   to the left of   10
9    10  to the right of    1
10   10  to the right of    6