What color is the hair?
The hair is brown.
    src        edge_attr  dst
0     1  to the right of    9
1     3  to the right of    7
2     3  to the right of    4
3     3  to the right of    5
4     3  to the right of    6
5     3  to the right of   12
6     3  to the right of   13
7     4   to the left of    3
8     4  to the right of    6
9     5  to the right of    6
10    5   to the left of    3
11    6   to the left of    3
12    6   to the left of    5
13    6   to the left of    7
14    6   to the left of    4
15    7   to the left of    3
16    7  to the right of    6
17    9   to the left of    1
18    9               of   13
19   12   to the left of    3
20   13   to the left of    3