What is the color of the shirt the boy is wearing?
The shirt is blue.
    src        edge_attr  dst
0     0  to the right of    2
1     2   to the left of   16
2     2          wearing    9
3     2   to the left of   11
4     2   to the left of    0
5     3               in    4
6     5   to the left of    7
7     6  to the right of   15
8     7  to the right of    5
9     7               on    7
10    8          holding   15
11    9   to the left of   16
12    9   to the left of   11
13   11  to the right of    2
14   11  to the right of    9
15   11  to the right of   13
16   13   to the left of   16
17   13   to the left of   11
18   15   to the left of    6
19   16  to the right of    9
20   16  to the right of   13
21   16  to the right of    2