What is the color of the shirt?
The shirt is gray.
    src        edge_attr  dst
0     2  to the right of   10
1     2             near    8
2     7   to the left of   13
3     7   to the left of    9
4     7               on    8
5     8             near    2
6     9               on    8
7     9  to the right of    7
8    10   to the left of    2
9    13          wearing   11
10   13          wearing   12
11   13          wearing    5
12   13        riding on    4
13   13          wearing    1
14   13  to the right of    7