What kind of animal is on the brown grass?
The animal is a horse.
    src        edge_attr  dst
0     0   to the left of   15
1     1   to the left of   15
2     1   to the left of   16
3     1   to the left of   17
4     4  to the right of   16
5     4  to the right of   15
6     5   to the left of   15
7     6   to the left of    8
8     7               on    2
9     7   to the left of    8
10    8  to the right of    6
11    8  to the right of    7
12    8   to the left of   14
13    8  to the right of   17
14    9  to the right of   16
15    9  to the right of   15
16    9               of    7
17   11  to the right of   15
18   11               of    7
19   14  to the right of    8
20   15  to the right of    5
21   15   to the left of   16
22   15   to the left of    9
23   15  to the right of    1
24   15  to the right of    0
25   15   to the left of   11
26   15   to the left of    4
27   15   to the left of   17
28   16   to the left of    9
29   16  to the right of   15
30   16   to the left of    4
31   16  to the right of    1
32   17  to the right of    1
33   17  to the right of   15
34   17   to the left of    8