What is the snowboarder doing?
The snowboarder is riding.
    src        edge_attr  dst
0     0   to the left of    2
1     0             near    2
2     2          next to    0
3     2  to the right of    0
4     3  to the right of    4
5     3   to the left of    6
6     3   to the left of   10
7     4   to the left of    6
8     4   to the left of    3
9     4   to the left of   10
10    6  to the right of    4
11    6  to the right of    3
12    9               in    1
13   10  to the right of    4
14   10  to the right of    3