Who is skiing?
The skier is skiing.
    src        edge_attr  dst
0     0   to the left of    7
1     1   to the left of    2
2     1   to the left of    9
3     1   to the left of   23
4     2   to the left of    9
..  ...              ...  ...
75   22       walking in   21
76   23  to the right of    1
77   23  to the right of    3
78   23  to the right of    2
79   23  to the right of   16

[80 rows x 3 columns]