Who is standing?
The skier is standing.
    src        edge_attr  dst
0     0   to the left of   21
1     0  to the right of   15
2     0   to the left of    3
3     0  to the right of   19
4     0  to the right of   18
..  ...              ...  ...
91   21  to the right of    0
92   21  to the right of   12
93   21  to the right of    3
94   21  to the right of   15
95   21               on   14

[96 rows x 3 columns]