Does he seem to be surfing?
No, the man is riding.
    src        edge_attr  dst
0     0           riding    3
1     0        on top of    3
2     0       sitting on    3
3     0   to the left of    8
4     0          wearing    1
5     0          wearing   11
6     0          wearing    7
7     0          wearing    2
8     0  to the right of    6
9     0          wearing    9
10    1  to the right of    6
11    1   to the left of    4
12    4  to the right of    1
13    6   to the left of    1
14    6   to the left of   11
15    6   to the left of    0
16    8  to the right of    0
17   11  to the right of    6