The person to the left of the bus is walking where?
The person is walking on the road.
    src        edge_attr  dst
0     1       walking on   15
1     1   to the left of   13
2     1  to the right of   14
3     1   to the left of    7
4     1   to the left of    6
..  ...              ...  ...
60   16  to the right of    6
61   17  to the right of   12
62   17   to the left of    8
63   17  to the right of   13
64   17   to the left of   11

[65 rows x 3 columns]