Is he to the right of a bus?
No, the man is to the right of the truck.
    src        edge_attr  dst
0     1               on   11
1     1   to the left of    5
2     1   to the left of   24
3     1   to the left of   25
4     2  to the right of   23
..  ...              ...  ...
77   25  to the right of   21
78   25  to the right of   22
79   25   to the left of   26
80   26  to the right of   25
81   26  to the right of   24

[82 rows x 3 columns]