What is printed on the gray uniform?
The letter is printed on the uniform.
    src        edge_attr  dst
0     1            below    4
1     2   to the left of   15
2     2   to the left of    6
3     3          wearing   10
4     3          wearing    2
5     3      standing on   14
6     3          wearing   11
7     3         throwing    4
8     3               in    1
9     3             near   14
10    3  to the right of    8
11    5       printed on   11
12    6  to the right of    2
13    7       printed on   10
14    8   to the left of    3
15    8   to the left of   15
16    8   to the left of   11
17   11  to the right of    8
18   12   to the left of   13
19   13               of    3
20   13  to the right of   12
21   13         throwing    4
22   14             near    3
23   14       growing on    1
24   15  to the right of    2
25   15  to the right of    8