What kind of clothing isn't clean?
The clothing is a cap.
    src        edge_attr  dst
0     3               in    5
1     3               on    5
2     4               of   19
3     6   to the left of   15
4     6   to the left of   14
5     6   to the left of   18
6     7   to the left of   17
7     9   to the left of   15
8     9   to the left of   14
9     9   to the left of   18
10   13  to the right of   19
11   13               on    5
12   14  to the right of    6
13   14  to the right of    9
14   15               on   18
15   15  to the right of    6
16   15  to the right of    9
17   17  to the right of    7
18   18               of   19
19   18  to the right of    6
20   18  to the right of    9
21   19          wearing    8
22   19   to the left of   13
23   19               on    5
24   19          wearing    0
25   19             with    4