Are there any bears or horses in the scene?
Yes, there is a horse.
     src        edge_attr  dst
0      0   to the left of    4
1      0   to the left of    3
2      0   to the left of   17
3      1   to the left of    9
4      1           riding    0
..   ...              ...  ...
103   20   to the left of    7
104   20  to the right of   17
105   20   to the left of   16
106   20           riding   19
107   21               on   18

[108 rows x 3 columns]