What are the animals on the beach called?
The animals are horses.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    8
2     0   to the left of    7
3     2   to the left of    5
4     2   to the left of   10
5     4               in    3
6     5  to the right of    2
7     5  to the right of    9
8     6   to the left of    8
9     6               on    1
10    6  to the right of    0
11    6   to the left of    7
12    7  to the right of    0
13    7  to the right of    6
14    8  to the right of    6
15    8  to the right of    0
16    9   to the left of    5
17    9   to the left of   10
18   10           riding    6
19   10               on    6
20   10               on    1
21   10  to the right of    9
22   10  to the right of    2