What kind of clothing is blue?
The clothing is a hat.
    src        edge_attr  dst
0     0           behind   10
1     0  to the right of    5
2     0  to the right of    3
3     0  to the right of   11
4     0  to the right of    7
5     2  to the right of    3
6     3   to the left of    0
7     3   to the left of    2
8     4               on    5
9     4  to the right of    6
10    5   to the left of    0
11    5  to the right of    6
12    6   to the left of    4
13    6   to the left of    5
14    6   to the left of    7
15    6   to the left of   11
16    7  to the right of    6
17    7   to the left of    0
18   10          wearing   12
19   10      in front of    0
20   11  to the right of    6
21   11   to the left of    0