Is the horse to the right or to the left of the man that is to the right of the tractor?
The horse is to the right of the man.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of   19
2     0  to the right of   13
3     0  to the right of    4
4     0  to the right of    1
..  ...              ...  ...
93   19  to the right of   11
94   19          wearing   13
95   19          wearing   16
96   20               on    8
97   20  to the right of    8

[98 rows x 3 columns]