What is the animal that is on the sand?
The animal is a horse.
    src        edge_attr  dst
0     0  to the right of    4
1     0  to the right of    3
2     0               on    6
3     1           riding    2
4     1               on    2
5     1   to the left of    4
6     1   to the left of    3
7     2   to the left of    8
8     2               on   11
9     2   to the left of    4
10    2   to the left of    3
11    3   to the left of    0
12    3   to the left of    6
13    3  to the right of    1
14    3  to the right of    2
15    3               on    4
16    4  to the right of    9
17    4               on   11
18    4  to the right of    1
19    4  to the right of    2
20    4   to the left of    6
21    4   to the left of    0
22    6  to the right of    8
23    6  to the right of    4
24    6  to the right of    3
25    7  to the right of    8
26    8   to the left of    7
27    8  to the right of    2
28    8  to the right of    9
29    8   to the left of    6
30    9   to the left of    4
31    9   to the left of    8