Who is skateboarding?
The girl is skateboarding.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of   13
2     0       growing on    8
3     1       growing on    8
4     2       growing on    8
5     3   to the left of   13
6     3       growing on    8
7     4          next to   19
8     4   to the left of   18
9     4   to the left of   10
10    4  to the right of    8
11    4             near   19
12    6       growing on    8
13    7        on top of   19
14    8   to the left of   10
15    8   to the left of    4
16    8   to the left of   12
17    8   to the left of   13
18    8   to the left of   20
19    8   to the left of   18
20    9             near   19
21    9       growing on   15
22   10   to the left of   14
23   10  to the right of    8
24   10  to the right of    4
25   12  to the right of    8
26   12  to the right of    0
27   13  to the right of    8
28   13          wearing   20
29   13        riding on    7
30   13          wearing   12
31   13        on top of    7
32   13   to the left of   14
33   13  to the right of    0
34   13  to the right of    3
35   13        on top of   19
36   14  to the right of   10
37   14  to the right of   18
38   14  to the right of   13
39   16  to the right of   17
40   17   to the left of   16
41   18  to the right of    8
42   18  to the right of    4
43   18   to the left of   14
44   19             near    9
45   19             near    4
46   20  to the right of    8