What is the man doing?
The man is snowboarding.
    src        edge_attr  dst
0     1  to the right of    4
1     1  to the right of   11
2     2           behind   13
3     4   to the left of   11
4     4   to the left of    7
5     4   to the left of    1
6     5  to the right of    6
7     6   to the left of    5
8     7  to the right of    4
9    11  to the right of    4
10   11   to the left of    1
11   13      standing on    8
12   13      in front of    2
13   13          wearing   12
14   13          wearing    7
15   13          wearing   10
16   13          wearing    4