Are there people to the right of the horse on the left?
Yes, there is a person to the right of the horse.
    src        edge_attr  dst
0     1   to the left of    3
1     1   to the left of   15
2     1   to the left of   19
3     1   to the left of   13
4     2   to the left of   12
..  ...              ...  ...
62   19   to the left of   10
63   19  to the right of   14
64   19  to the right of    8
65   19  to the right of    1
66   20  to the right of    5

[67 rows x 3 columns]