What is the person to the right of the person riding?
The man is riding a cart.
    src        edge_attr  dst
0     0               of   20
1     0   to the left of    3
2     0  to the right of    2
3     0   to the left of   23
4     1   to the left of    8
..  ...              ...  ...
73   22   to the left of   18
74   23  to the right of    3
75   23  to the right of    0
76   25   to the left of    5
77   25               of    7

[78 rows x 3 columns]