The person is sitting on what?
The person is sitting on the ski.
    src        edge_attr  dst
0     0               of    7
1     0          worn on   11
2     1               of    7
3     1  to the right of   10
4     1          worn on    7
5     1  to the right of   12
6     1  to the right of    4
7     2  to the right of   10
8     2   to the left of    6
9     2  to the right of   12
10    2               of    7
11    4               of    7
12    4   to the left of   10
13    4   to the left of    1
14    6  to the right of    9
15    6  to the right of    2
16    6               of    7
17    6  to the right of   12
18    7          wearing    0
19    7          wearing    1
20    7       sitting on    3
21    7          wearing    4
22    7          wearing   12
23    7        skiing on    5
24    7          wearing   11
25    8               of    7
26    9               of    7
27    9   to the left of    6
28    9  to the right of   12
29   10          worn on    7
30   10   to the left of    2
31   10   to the left of    1
32   10  to the right of    4
33   11          worn on    7
34   11               of    7
35   12               of    7
36   12   to the left of    1
37   12   to the left of    2
38   12   to the left of    6
39   12   to the left of    9