The man is using what?
The man is using a surfboard.
   src        edge_attr  dst
0    0  to the right of    5
1    1  to the right of    5
2    2               on    3
3    2            using    3
4    2        riding on    3
5    2               in    4
6    5   to the left of    1
7    5   to the left of    0