What animal is the man on?
The man is on the horse.
    src        edge_attr  dst
0     1  to the right of   12
1     1  to the right of    3
2     1  to the right of   18
3     3   to the left of   18
4     3  to the right of   14
5     3   to the left of   12
6     3   to the left of    1
7     4   to the left of   11
8     4  to the right of   17
9     7  to the right of   13
10    7  to the right of   11
11    8      standing by   15
12    8          next to   15
13    8             near   15
14   10   to the left of   11
15   10  to the right of   16
16   10  to the right of   17
17   11          wearing    9
18   11          wearing   13
19   11               on   15
20   11          wearing    0
21   11   to the left of    7
22   11  to the right of   17
23   11  to the right of   10
24   11  to the right of    4
25   11           riding   15
26   11  to the right of   16
27   12  to the right of    3
28   12   to the left of   18
29   12   to the left of    1
30   12  to the right of   14
31   13   to the left of    7
32   14   to the left of    3
33   14   to the left of   12
34   15  to the right of   17
35   15  to the right of   16
36   15             near    8
37   16   to the left of   15
38   16   to the left of   11
39   16   to the left of   10
40   17   to the left of   11
41   17   to the left of   15
42   17               on   16
43   17   to the left of   10
44   17   to the left of    4
45   18  to the right of   12
46   18  to the right of    3
47   18   to the left of    1