Is he riding a horse?
Yes, the man is riding a horse.
    src        edge_attr  dst
0     0           behind    3
1     0   to the left of   15
2     0   to the left of    4
3     1           beside    3
4     3               on    2
5     3      in front of    0
6     4               of    3
7     4   to the left of    8
8     4   to the left of   13
9     4   to the left of   11
10    4  to the right of    5
11    4  to the right of    0
12    4   to the left of   14
13    5               of    3
14    5   to the left of    4
15    5   to the left of   15
16    6  to the right of   16
17    7   to the left of   10
18    7   to the left of   20
19    8  to the right of    4
20    8  to the right of   15
21    8               of    3
22    9   to the left of   18
23   10          wearing   21
24   10   to the left of   18
25   10          wearing   19
26   10           riding    3
27   10          wearing   17
28   10               on    3
29   10               on   20
30   10  to the right of   16
31   10  to the right of    7
32   11  to the right of   15
33   11  to the right of    4
34   11               of    3
35   13  to the right of   15
36   13  to the right of    4
37   13               on    3
38   14               on    3
39   14  to the right of   15
40   14  to the right of    4
41   15   to the left of   14
42   15   to the left of   11
43   15   to the left of   13
44   15               on    3
45   15  to the right of    5
46   15  to the right of    0
47   15   to the left of    8
48   16   to the left of   10
49   16   to the left of    6
50   16   to the left of   21
51   18  to the right of    9
52   18  to the right of   19
53   18  to the right of   10
54   19               on    9
55   19   to the left of   18
56   20               on    3
57   20  to the right of    7
58   21               of   10
59   21  to the right of   16