What animal is on the sandy beach?
The horse is on the beach.
    src        edge_attr  dst
0     0               on    1
1     0  to the right of    8
2     2           riding    0
3     2               on    0
4     2   to the left of   10
5     2  to the right of    9
6     2  to the right of   12
7     2  to the right of   11
8     2   to the left of    5
9     2  to the right of    7
10    2  to the right of    6
11    4   to the left of    9
12    5               in    3
13    5  to the right of    2
14    6   to the left of    2
15    6               on    7
16    7   to the left of    2
17    8   to the left of   12
18    8   to the left of    0
19    8               in    3
20    9  to the right of    4
21    9   to the left of    2
22    9               in    3
23   10  to the right of    2
24   11   to the left of    2
25   11               in    3
26   12  to the right of    8
27   12   to the left of    2