What is the color of the socks he is wearing?
The socks are white.
    src        edge_attr  dst
0     0  to the right of    7
1     1          wearing    7
2     1     about to hit   10
3     1          wearing   12
4     1          wearing    9
5     1          wearing    6
6     4   to the left of    7
7     6   to the left of   15
8     7   to the left of    0
9     7  to the right of   11
10    7  to the right of    4
11    9   to the left of   15
12   10               in    8
13   11   to the left of    7
14   12  to the right of   13
15   13   to the left of   15
16   13   to the left of   12
17   14           behind    5
18   15  to the right of    6
19   15  to the right of    9
20   15  to the right of   13