What are the people on the beach flying?
The people are flying the kites.
    src        edge_attr  dst
0     1               in    0
1     2               in   14
2     5               in    0
3     6   to the left of    8
4     6               on    0
5     8               on    0
6     8           flying    7
7     8  to the right of   15
8     8  to the right of    6
9     9               in   14
10    9  to the right of   12
11   10               in   14
12   11               in   14
13   12               in   14
14   12   to the left of    9
15   15               on    0
16   15   to the left of    8