Who is wearing the socks?
The boy is wearing socks.
    src        edge_attr  dst
0     0  to the right of    9
1     1   to the left of   10
2     1   to the left of    4
3     4  to the right of    9
4     4  to the right of    1
5     4  to the right of   16
6     4  to the right of   17
7     5               on   11
8     6               in   12
9     6      in front of    7
10    6          wearing    5
11    6          wearing    3
12    6          wearing   13
13    6          wearing    0
14    9   to the left of    4
15    9   to the left of    0
16   10  to the right of    1
17   15  to the right of   16
18   16   to the left of    4
19   16   to the left of   15
20   17   to the left of    4