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