Is it a beach?
Yes, it is a beach.
    src        edge_attr  dst
0     0               of    9
1     1               of    9
2     3               of    9
3     5  to the right of   15
4     5  to the right of   14
5     5               on    4
6     7   to the left of   16
7     8               of    9
8     9         throwing   13
9     9               on    4
10    9   to the left of   14
11    9   to the left of   16
12    9          wearing   17
13   11   to the left of   16
14   11               of    9
15   12  to the right of   13
16   12               of    9
17   13   to the left of   12
18   14               on    4
19   14   to the left of    5
20   14  to the right of    9
21   15   to the left of    5
22   16               on    4
23   16  to the right of    9
24   16  to the right of    7
25   16  to the right of   11