What is the man riding?
The man is riding a ski lift.
     src        edge_attr  dst
0      0   to the left of   18
1      0          wearing   13
2      0       sitting on    1
3      0           riding    1
4      0          wearing    4
..   ...              ...  ...
152   23  to the right of    1
153   24   to the left of   14
154   24   to the left of   25
155   24  to the right of    8
156   25  to the right of   24

[157 rows x 3 columns]