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