Where is the person standing on?
The person is standing on the sand.
    src        edge_attr  dst
0     2           behind    5
1     2               by    5
2     2   to the left of    5
3     4          wearing    1
4     4               on    7
5     4           flying    9
6     4         watching    9
7     4      standing on    7
8     4      standing in    7
9     4          wearing    3
10    5  to the right of    2
11    5             near    7
12    5      in front of    2
13    6               in   10
14    7             near    5
15    8               on    7
16    9               in   10