Is the bent man riding on the surfboard in the middle?
Yes, the man is riding on the surfboard.
    src        edge_attr  dst
0     0   to the left of    7
1     3            below    5
2     4   to the left of    8
3     5               in    2
4     5               on    3
5     5            above    3
6     5          wearing    4
7     5            using    3
8     5             with    3
9     5        riding on    3
10    7  to the right of    0
11    8               of    5
12    8  to the right of    4