What piece of clothing is not blue?
The clothing item is a cap.
    src        edge_attr  dst
0     0   to the left of   17
1     1   to the left of    5
2     1  to the right of   14
3     2           behind   10
4     5  to the right of   10
5     5  to the right of    1
6     6   to the left of   17
7     7   to the left of   17
8     8   to the left of   12
9     9   to the left of   17
10   10               on    4
11   10      in front of    2
12   10          wearing    9
13   10               on   11
14   10   to the left of    5
15   10   to the left of   12
16   12               in   17
17   12  to the right of    8
18   12  to the right of   10
19   13   to the left of   17
20   14   to the left of    1
21   14   to the left of   16
22   16  to the right of   14
23   17  to the right of    7
24   17  to the right of    6
25   17  to the right of    0
26   17  to the right of    9
27   17  to the right of   13