Who is in front of the concrete wall?
The boy is in front of the wall.
    src        edge_attr  dst
0     0           behind   11
1     1   to the left of    8
2     1   to the left of   11
3     2  to the right of   20
4     3           behind   11
5     3   to the left of    5
6     3   to the left of    4
7     3   to the left of   11
8     3   to the left of    6
9     3   to the left of   14
10    4           behind   11
11    4   to the left of    6
12    4   to the left of    5
13    4  to the right of   18
14    4   to the left of   14
15    4  to the right of    3
16    5           behind   11
17    5  to the right of    4
18    5  to the right of    3
19    5   to the left of   14
20    5   to the left of    6
21    6           behind   11
22    6  to the right of    3
23    6  to the right of    5
24    6  to the right of    4
25    7  to the right of   20
26    8  to the right of    1
27    8   to the left of    9
28    9  to the right of    8
29   10   to the left of   19
30   11      in front of    6
31   11          wearing    2
32   11      in front of    5
33   11      in front of    0
34   11      in front of    3
35   11  to the right of    1
36   11  to the right of    3
37   11  to the right of   18
38   11          wearing   19
39   11          wearing   13
40   11      in front of    4
41   14   to the left of   15
42   14  to the right of    5
43   14  to the right of    4
44   14  to the right of    3
45   14   to the left of   17
46   15  to the right of   14
47   15   to the left of   17
48   16  to the right of   20
49   17  to the right of   14
50   17  to the right of   15
51   18   to the left of    4
52   18   to the left of   11
53   18               of    3
54   19  to the right of   10
55   20   to the left of    7
56   20   to the left of   16
57   20   to the left of    2