The man is skiing on what?
The man is skiing on the snow.
    src        edge_attr  dst
0     0          wearing    4
1     0          wearing    1
2     0        skiing on   11
3     0          wearing    2
4     0  to the right of    7
5     0  to the right of   10
6     1  to the right of    7
7     1  to the right of   10
8     2  to the right of    9
9     5   to the left of   10
10    5      coming down    7
11    6               on   11
12    7   to the left of   10
13    7   to the left of    0
14    7   to the left of    1
15    9   to the left of    2
16   10   to the left of    1
17   10  to the right of    7
18   10  to the right of    5
19   10   to the left of    0
20   11               on   11