Who is standing?
The skier is standing.
    src        edge_attr  dst
0     0        on top of    3
1     0   to the left of    9
2     0   to the left of   16
3     1  to the right of   20
4     1  to the right of    2
5     2   to the left of   19
6     2   to the left of    1
7     3     covered with    0
8     3   to the left of   16
9     3   to the left of    9
10    4        on top of    3
11    4   to the left of    8
12    5   to the left of   12
13    6  to the right of   13
14    7   to the left of   12
15    8   to the left of   16
16    8  to the right of   18
17    8  to the right of   17
18    8  to the right of    4
19    8   to the left of    9
20    9  to the right of    0
21    9  to the right of    8
22    9  to the right of    3
23   12  to the right of    7
24   12  to the right of    5
25   13   to the left of    6
26   14               in   11
27   16          wearing    7
28   16          wearing   20
29   16      standing on   10
30   16  to the right of    0
31   16          wearing    6
32   16  to the right of    8
33   16  to the right of    3
34   16          wearing   19
35   16          wearing   21
36   17   to the left of    8
37   18        on top of   17
38   18   to the left of    8
39   19  to the right of   20
40   19  to the right of    2
41   20   to the left of    1
42   20   to the left of   19