What kind of vehicle is to the right of the person that is walking?
The vehicle is a bus.
    src        edge_attr  dst
0     0  to the right of   12
1     0  to the right of    7
2     0   to the left of   15
3     0   to the left of    6
4     0   to the left of    5
..  ...              ...  ...
73   17   to the left of    0
74   17   to the left of   15
75   17   to the left of    5
76   17   to the left of    4
77   17   to the left of    6

[78 rows x 3 columns]