What is the color of the necktie he wears?
The tie is dark.
    src        edge_attr  dst
0     0               of    6
1     0  to the right of    9
2     2  to the right of    8
3     3   to the left of   12
4     5               on    2
5     5  to the right of    8
6     6          wearing   12
7     7  to the right of    9
8     7               of    6
9     8   to the left of    2
10    8   to the left of    5
11    9   to the left of    7
12    9               of    6
13    9   to the left of    0
14   10               of    6
15   12  to the right of    3