Who is holding the skateboard on the left?
The boy is holding the skateboard.
    src        edge_attr  dst
0     1  to the right of    4
1     1  to the right of    5
2     1             near    3
3     1  to the right of   16
4     3             near    1
5     4   to the left of   14
6     4   to the left of    1
7     4   to the left of   10
8     5   to the left of   10
9     5   to the left of   14
10    5   to the left of    1
11   10  to the right of   16
12   10  to the right of   15
13   10       jumping on   14
14   10          holding   18
15   10       jumping on    7
16   10  to the right of    4
17   10  to the right of    5
18   14  to the right of   16
19   14  to the right of    4
20   14  to the right of    5
21   15   to the left of   10
22   16       sitting on   13
23   16   to the left of    1
24   16   to the left of   10
25   16   to the left of   14