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