What animal is standing on the dirt?
The horses are standing on the dirt.
    src        edge_attr  dst
0     0  to the right of   10
1     1               of   14
2     1  to the right of    5
3     1  to the right of   11
4     2  to the right of    3
5     2            above   14
6     3   to the left of    2
7     4  to the right of   13
8     4               of   14
9     4  to the right of   10
10    5               of   14
11    5   to the left of   10
12    5   to the left of    1
13    7  to the right of   11
14    7   to the left of   10
15    7   to the left of   13
16    8  to the right of   12
17    8  to the right of   13
18    8  to the right of   10
19   10   to the left of    0
20   10   to the left of    4
21   10  to the right of    5
22   10  to the right of    7
23   10   to the left of    8
24   10  to the right of   12
25   10  to the right of   11
26   11   to the left of    1
27   11   to the left of    7
28   11   to the left of   10
29   11   to the left of   12
30   11   to the left of   13
31   12   to the left of   13
32   12  to the right of   11
33   12   to the left of   10
34   12   to the left of    8
35   13   to the left of    4
36   13  to the right of   11
37   13  to the right of   12
38   13   to the left of    8
39   13  to the right of    7
40   14      standing on    9