What is the color of the shirt that the man is wearing?
The shirt is purple.
    src        edge_attr  dst
0     0               on    1
1     0   to the left of   11
2     0   to the left of    2
3     2  to the right of    0
4     2  to the right of    4
5     2  to the right of    3
6     3   to the left of    2
7     3   to the left of   11
8     4   to the left of    2
9     5   to the left of    8
10    6   to the left of    8
11    7   on the side of    8
12    7   to the left of    8
13    7   to the left of   10
14    8  to the right of    6
15    8  to the right of    5
16    8  to the right of    7
17   10  to the right of    7
18   10  to the right of   15
19   11  to the right of    3
20   11  to the right of    0
21   12               on   14
22   14   on the side of   12
23   15   to the left of   10
24   17   on the side of    1
25   18           riding   14
26   18          wearing   16
27   18          wearing    4