Who is carrying the backpack?
The skier is carrying the backpack.
    src        edge_attr  dst
0     0  to the right of   11
1     0   to the left of   13
2     0  to the right of    9
3     0  to the right of    7
4     0  to the right of   12
..  ...              ...  ...
85   19  to the right of    3
86   19   to the left of   18
87   20  to the right of    3
88   20   to the left of    1
89   20   to the left of   18

[90 rows x 3 columns]