Where is he?
The boy is in the skate park.
    src        edge_attr  dst
0     0               of    5
1     0   to the left of    1
2     1               of    5
3     1  to the right of    0
4     2   to the left of   14
5     3               of    5
6     5        riding on    6
7     5               in    7
8     5          wearing    1
9     5          wearing    0
10    5          wearing    4
11    5            above    6
12    5      in front of    8
13    5          wearing    9
14    6   to the left of   14
15    8           behind    5
16    8  to the right of    9
17    8  to the right of   15
18    9   to the left of   15
19    9   to the left of    8
20   10               of    6
21   14  to the right of    2
22   14  to the right of    6
23   15   to the left of    8
24   15  to the right of    9
25   15               of    5