Which color is the necktie the man is wearing?
The necktie is dark blue.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    4
2     2               of    3
3     2   to the left of    4
4     2   to the left of   10
5     2  to the right of    9
6     3          wearing    6
7     3          holding    4
8     3          wearing    5
9     4  to the right of    2
10    4  to the right of    9
11    4  to the right of    8
12    4  to the right of    0
13    5  to the right of   10
14    5  to the right of    7
15    7               of    3
16    7   to the left of    5
17    8   to the left of   10
18    8   to the left of    4
19    9   to the left of    2
20    9   to the left of   10
21    9   to the left of    4
22   10               of    3
23   10   to the left of    5
24   10  to the right of    2
25   10  to the right of    8
26   10  to the right of    0
27   10  to the right of    9